[Spv.Generator] Address dotnet-format issues (#5394)

* dotnet format style --severity info

Some changes were manually reverted.

* Restore a few unused methods and variables

* Silence dotnet format IDE0052 warnings

* Address or silence dotnet format IDE1006 warnings

* Address or silence dotnet format CA1069 warnings

* Address review comments

* Address most dotnet format whitespace warnings

* Run dotnet format after rebase and remove unused usings

- analyzers
- style
- whitespace

* Add comments to disabled warnings

* Simplify properties and array initialization, Use const when possible, Remove trailing commas

* Address IDE0251 warnings

* Revert "Simplify properties and array initialization, Use const when possible, Remove trailing commas"

This reverts commit 9462e4136c0a2100dc28b20cf9542e06790aa67e.

* dotnet format whitespace after rebase

* Rename Operand.cs to IOperand.cs

* Update src/Spv.Generator/Module.cs

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* Remove NotNullWhen attribute and use conditional access to avoid NRE

* Fix duplicated enum values

* Remove unread member

---------

Co-authored-by: Ac_K <Acoustik666@gmail.com>

src/Spv.Generator/Autogenerated/CoreGrammar.cs

@@ -180,7 +180,7 @@ namespace Spv.Generator
             return result;
         }
 
-        public Instruction Decorate(Instruction target, Decoration decoration, Operand parameter)
+        public Instruction Decorate(Instruction target, Decoration decoration, IOperand parameter)
         {
             Instruction result = NewInstruction(Op.OpDecorate);
 
@@ -192,7 +192,7 @@ namespace Spv.Generator
             return result;
         }
 
-        public Instruction Decorate(Instruction target, Decoration decoration, params Operand[] parameters)
+        public Instruction Decorate(Instruction target, Decoration decoration, params IOperand[] parameters)
         {
             Instruction result = NewInstruction(Op.OpDecorate);
 
@@ -216,7 +216,7 @@ namespace Spv.Generator
             return result;
         }
 
-        public Instruction MemberDecorate(Instruction structureType, LiteralInteger member, Decoration decoration, Operand parameter)
+        public Instruction MemberDecorate(Instruction structureType, LiteralInteger member, Decoration decoration, IOperand parameter)
         {
             Instruction result = NewInstruction(Op.OpMemberDecorate);
 
@@ -229,7 +229,7 @@ namespace Spv.Generator
             return result;
         }
 
-        public Instruction MemberDecorate(Instruction structureType, LiteralInteger member, Decoration decoration, params Operand[] parameters)
+        public Instruction MemberDecorate(Instruction structureType, LiteralInteger member, Decoration decoration, params IOperand[] parameters)
         {
             Instruction result = NewInstruction(Op.OpMemberDecorate);
 
@@ -262,7 +262,7 @@ namespace Spv.Generator
             return result;
         }
 
-        public Instruction GroupMemberDecorate(Instruction decorationGroup, params Operand[] targets)
+        public Instruction GroupMemberDecorate(Instruction decorationGroup, params IOperand[] targets)
         {
             Instruction result = NewInstruction(Op.OpGroupMemberDecorate);
 
@@ -273,7 +273,7 @@ namespace Spv.Generator
             return result;
         }
 
-        public Instruction DecorateId(Instruction target, Decoration decoration, params Operand[] parameters)
+        public Instruction DecorateId(Instruction target, Decoration decoration, params IOperand[] parameters)
         {
             Instruction result = NewInstruction(Op.OpDecorateId);
 
@@ -285,7 +285,7 @@ namespace Spv.Generator
             return result;
         }
 
-        public Instruction DecorateString(Instruction target, Decoration decoration, params Operand[] parameters)
+        public Instruction DecorateString(Instruction target, Decoration decoration, params IOperand[] parameters)
         {
             Instruction result = NewInstruction(Op.OpDecorateString);
 
@@ -297,7 +297,7 @@ namespace Spv.Generator
             return result;
         }
 
-        public Instruction DecorateStringGOOGLE(Instruction target, Decoration decoration, params Operand[] parameters)
+        public Instruction DecorateStringGOOGLE(Instruction target, Decoration decoration, params IOperand[] parameters)
         {
             Instruction result = NewInstruction(Op.OpDecorateStringGOOGLE);
 
@@ -309,7 +309,7 @@ namespace Spv.Generator
             return result;
         }
 
-        public Instruction MemberDecorateString(Instruction structType, LiteralInteger member, Decoration decoration, params Operand[] parameters)
+        public Instruction MemberDecorateString(Instruction structType, LiteralInteger member, Decoration decoration, params IOperand[] parameters)
         {
             Instruction result = NewInstruction(Op.OpMemberDecorateString);
 
@@ -322,7 +322,7 @@ namespace Spv.Generator
             return result;
         }
 
-        public Instruction MemberDecorateStringGOOGLE(Instruction structType, LiteralInteger member, Decoration decoration, params Operand[] parameters)
+        public Instruction MemberDecorateStringGOOGLE(Instruction structType, LiteralInteger member, Decoration decoration, params IOperand[] parameters)
         {
             Instruction result = NewInstruction(Op.OpMemberDecorateStringGOOGLE);
 
@@ -2815,7 +2815,7 @@ namespace Spv.Generator
             return result;
         }
 
-        public Instruction Switch(Instruction selector, Instruction defaultObj, params Operand[] target)
+        public Instruction Switch(Instruction selector, Instruction defaultObj, params IOperand[] target)
         {
             Instruction result = NewInstruction(Op.OpSwitch);