Re-enable some legacy extension tests (#8327)

* Re-enable some legacy extension tests

* Update baselines

Author: jjonescz

src/Compiler/Microsoft.AspNetCore.Mvc.Razor.Extensions.Version2_X/test/IntegrationTests/CodeGenerationIntegrationTest.cs

@@ -185,7 +185,7 @@ public void Basic_Runtime()
         AssertCSharpDocumentMatchesBaseline(compiled.CodeDocument.GetCSharpDocument());
     }
 
-    [Fact(Skip = "Reenable after CS1701 errors are resolved")]
+    [Fact]
     public void Sections_Runtime()
     {
         // Arrange
@@ -319,7 +319,7 @@ public void Model_Runtime()
         AssertCSharpDocumentMatchesBaseline(compiled.CodeDocument.GetCSharpDocument());
     }
 
-    [Fact(Skip = "Reenable after CS1701 errors are resolved")]
+    [Fact]
     public void ModelExpressionTagHelper_Runtime()
     {
         // Arrange
@@ -342,7 +342,7 @@ public class InputTestTagHelper : {typeof(TagHelper).FullName}
         AssertCSharpDocumentMatchesBaseline(compiled.CodeDocument.GetCSharpDocument());
     }
 
-    [Fact(Skip = "Reenable after CS1701 errors are resolved")]
+    [Fact]
     public void RazorPages_Runtime()
     {
         // Arrange
@@ -377,7 +377,7 @@ public void RazorPagesWithRouteTemplate_Runtime()
         AssertCSharpDocumentMatchesBaseline(compiled.CodeDocument.GetCSharpDocument());
     }
 
-    [Fact(Skip = "Reenable after CS1701 errors are resolved")]
+    [Fact]
     public void RazorPagesWithoutModel_Runtime()
     {
         // Arrange
@@ -426,7 +426,7 @@ public void ViewWithNamespace_Runtime()
         AssertCSharpDocumentMatchesBaseline(compiled.CodeDocument.GetCSharpDocument());
     }
 
-    [Fact(Skip = "Reenable after CS1701 errors are resolved")]
+    [Fact]
     public void ViewComponentTagHelper_Runtime()
     {
         // Arrange

src/Compiler/Microsoft.AspNetCore.Mvc.Razor.Extensions.Version2_X/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/ModelExpressionTagHelper_Runtime.ir.txt

@@ -18,13 +18,13 @@
                 CSharpCode - 
                     IntermediateToken -  - CSharp - BeginContext(17, 2, true);
                 HtmlContent - (17:1,0 [2] ModelExpressionTagHelper.cshtml)
-                    IntermediateToken - (17:1,0 [2] ModelExpressionTagHelper.cshtml) - Html - \n
+                    LazyIntermediateToken - (17:1,0 [2] ModelExpressionTagHelper.cshtml) - Html - \n
                 CSharpCode - 
                     IntermediateToken -  - CSharp - EndContext();
                 CSharpCode - 
                     IntermediateToken -  - CSharp - BeginContext(64, 2, true);
                 HtmlContent - (64:3,0 [2] ModelExpressionTagHelper.cshtml)
-                    IntermediateToken - (64:3,0 [2] ModelExpressionTagHelper.cshtml) - Html - \n
+                    LazyIntermediateToken - (64:3,0 [2] ModelExpressionTagHelper.cshtml) - Html - \n
                 CSharpCode - 
                     IntermediateToken -  - CSharp - EndContext();
                 CSharpCode - 
@@ -36,15 +36,15 @@
                         CSharpExpression - 
                             IntermediateToken -  - CSharp - ModelExpressionProvider.CreateModelExpression(ViewData, __model => 
                             IntermediateToken -  - CSharp - __model.
-                            IntermediateToken - (83:4,17 [4] ModelExpressionTagHelper.cshtml) - CSharp - Date
+                            LazyIntermediateToken - (83:4,17 [4] ModelExpressionTagHelper.cshtml) - CSharp - Date
                             IntermediateToken -  - CSharp - )
                     DefaultTagHelperExecute - 
                 CSharpCode - 
                     IntermediateToken -  - CSharp - EndContext();
                 CSharpCode - 
                     IntermediateToken -  - CSharp - BeginContext(91, 2, true);
                 HtmlContent - (91:4,25 [2] ModelExpressionTagHelper.cshtml)
-                    IntermediateToken - (91:4,25 [2] ModelExpressionTagHelper.cshtml) - Html - \n
+                    LazyIntermediateToken - (91:4,25 [2] ModelExpressionTagHelper.cshtml) - Html - \n
                 CSharpCode - 
                     IntermediateToken -  - CSharp - EndContext();
                 CSharpCode - 
@@ -55,15 +55,15 @@
                     DefaultTagHelperProperty - (110:5,17 [6] ModelExpressionTagHelper.cshtml) - for - Microsoft.AspNetCore.Mvc.ViewFeatures.ModelExpression InputTestTagHelper.For - HtmlAttributeValueStyle.DoubleQuotes
                         CSharpExpression - 
                             IntermediateToken -  - CSharp - ModelExpressionProvider.CreateModelExpression(ViewData, __model => 
-                            IntermediateToken - (111:5,18 [5] ModelExpressionTagHelper.cshtml) - CSharp - Model
+                            LazyIntermediateToken - (111:5,18 [5] ModelExpressionTagHelper.cshtml) - CSharp - Model
                             IntermediateToken -  - CSharp - )
                     DefaultTagHelperExecute - 
                 CSharpCode - 
                     IntermediateToken -  - CSharp - EndContext();
                 CSharpCode - 
                     IntermediateToken -  - CSharp - BeginContext(120, 2, true);
                 HtmlContent - (120:5,27 [2] ModelExpressionTagHelper.cshtml)
-                    IntermediateToken - (120:5,27 [2] ModelExpressionTagHelper.cshtml) - Html - \n
+                    LazyIntermediateToken - (120:5,27 [2] ModelExpressionTagHelper.cshtml) - Html - \n
                 CSharpCode - 
                     IntermediateToken -  - CSharp - EndContext();
             Inject -