Refactoring of extension methods in source packages (#78620)

* Change namespace of OneOrMany and TemporaryArray to MS.CA.Collections

* Cleanup Enumerable and ImmutableArray extensions

* Update imports/usings

Author: tmat

src/Analyzers/CSharp/Analyzers/RemoveUnnecessaryNullableDirective/CSharpRemoveUnnecessaryNullableDirectiveDiagnosticAnalyzer.cs

@@ -7,6 +7,7 @@
 using System.Diagnostics.CodeAnalysis;
 using System.Threading;
 using Microsoft.CodeAnalysis.CodeStyle;
+using Microsoft.CodeAnalysis.Collections;
 using Microsoft.CodeAnalysis.CSharp;
 using Microsoft.CodeAnalysis.CSharp.Analyzers.RemoveUnnecessaryNullableDirective;
 using Microsoft.CodeAnalysis.CSharp.Syntax;

src/Analyzers/CSharp/Analyzers/UseSimpleUsingStatement/UseSimpleUsingStatementDiagnosticAnalyzer.cs

@@ -4,6 +4,7 @@
 
 using System.Collections.Generic;
 using System.Collections.Immutable;
+using System.Linq;
 using System.Threading;
 using Microsoft.CodeAnalysis.CodeStyle;
 using Microsoft.CodeAnalysis.CSharp.CodeStyle;

src/Analyzers/CSharp/CodeFixes/UseCollectionExpression/CSharpUseCollectionExpressionForFluentCodeFixProvider.cs

@@ -9,6 +9,7 @@
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.CodeAnalysis.CodeFixes;
+using Microsoft.CodeAnalysis.Collections;
 using Microsoft.CodeAnalysis.CSharp.Formatting;
 using Microsoft.CodeAnalysis.CSharp.Syntax;
 using Microsoft.CodeAnalysis.Diagnostics;
@@ -25,8 +26,8 @@
 namespace Microsoft.CodeAnalysis.CSharp.UseCollectionExpression;
 
 using static CSharpCollectionExpressionRewriter;
-using static CSharpUseCollectionExpressionForFluentDiagnosticAnalyzer;
 using static CSharpSyntaxTokens;
+using static CSharpUseCollectionExpressionForFluentDiagnosticAnalyzer;
 using static SyntaxFactory;
 
 [ExportCodeFixProvider(LanguageNames.CSharp, Name = PredefinedCodeFixProviderNames.UseCollectionExpressionForFluent), Shared]

src/Analyzers/CSharp/CodeFixes/UseLocalFunction/CSharpUseLocalFunctionCodeFixProvider.cs

@@ -14,6 +14,7 @@
 using System.Threading.Tasks;
 using Microsoft.CodeAnalysis.CodeFixes;
 using Microsoft.CodeAnalysis.CodeGeneration;
+using Microsoft.CodeAnalysis.Collections;
 using Microsoft.CodeAnalysis.CSharp.CodeGeneration;
 using Microsoft.CodeAnalysis.CSharp.Extensions;
 using Microsoft.CodeAnalysis.CSharp.Syntax;

src/Analyzers/Core/Analyzers/UseCollectionInitializer/AbstractUseCollectionInitializerDiagnosticAnalyzer.cs

@@ -6,6 +6,7 @@
 using System.Linq;
 using System.Threading;
 using Microsoft.CodeAnalysis.CodeStyle;
+using Microsoft.CodeAnalysis.Collections;
 using Microsoft.CodeAnalysis.Diagnostics;
 using Microsoft.CodeAnalysis.LanguageService;
 using Microsoft.CodeAnalysis.Shared.CodeStyle;

src/Analyzers/Core/Analyzers/UseObjectInitializer/AbstractUseObjectInitializerDiagnosticAnalyzer.cs

@@ -5,6 +5,7 @@
 using System.Collections.Immutable;
 using System.Linq;
 using Microsoft.CodeAnalysis.CodeStyle;
+using Microsoft.CodeAnalysis.Collections;
 using Microsoft.CodeAnalysis.Diagnostics;
 using Microsoft.CodeAnalysis.LanguageService;
 using Microsoft.CodeAnalysis.Shared.Collections;

src/Analyzers/Core/CodeFixes/AddExplicitCast/AbstractAddExplicitCastCodeFixProvider.cs

@@ -8,6 +8,7 @@
 using System.Threading.Tasks;
 using Microsoft.CodeAnalysis;
 using Microsoft.CodeAnalysis.CodeActions;
+using Microsoft.CodeAnalysis.Collections;
 using Microsoft.CodeAnalysis.Editing;
 using Microsoft.CodeAnalysis.LanguageService;
 using Microsoft.CodeAnalysis.PooledObjects;

src/Analyzers/Core/CodeFixes/AddParameter/AbstractAddParameterCodeFixProvider.cs

@@ -11,6 +11,7 @@
 using Microsoft.CodeAnalysis.CodeActions;
 using Microsoft.CodeAnalysis.CodeFixes;
 using Microsoft.CodeAnalysis.CodeGeneration;
+using Microsoft.CodeAnalysis.Collections;
 using Microsoft.CodeAnalysis.LanguageService;
 using Microsoft.CodeAnalysis.PooledObjects;
 using Microsoft.CodeAnalysis.Shared.Collections;

src/Analyzers/Core/CodeFixes/AliasAmbiguousType/AbstractAliasAmbiguousTypeCodeFixProvider.cs

@@ -10,6 +10,7 @@
 using Microsoft.CodeAnalysis.AddImport;
 using Microsoft.CodeAnalysis.CodeActions;
 using Microsoft.CodeAnalysis.CodeFixes;
+using Microsoft.CodeAnalysis.Collections;
 using Microsoft.CodeAnalysis.Editing;
 using Microsoft.CodeAnalysis.LanguageService;
 using Microsoft.CodeAnalysis.PooledObjects;

src/Analyzers/Core/CodeFixes/ConflictMarkerResolution/AbstractConflictMarkerCodeFixProvider.cs

@@ -5,6 +5,7 @@
 using System;
 using System.Collections.Immutable;
 using System.Diagnostics;
+using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.CodeAnalysis.CodeActions;