Fix support for object initializers in interpolations

Fixes #3461

Author: sharwell

StyleCop.Analyzers/StyleCop.Analyzers.Test/SpacingRules/SA1013UnitTests.cs

@@ -52,7 +52,7 @@ public async Task TestStringInterpolationAsync()
 {
     public class TestClass
     {
-        public void TestMethod()
+        public void TestMethod(int a, int b)
         {
             var test = 2;
             var x = $""{test}"";
@@ -61,6 +61,8 @@ public void TestMethod()
             x = $""({test} )"";
             x = $""{test {|#0:}|}"";
             x = $""{test {|#1:}|} "";
+            x = $""{new { a, b{|#2:}|}}"";
+            x = $""{new { a, b } {|#3:}|}"";
         }
     }
 }
@@ -70,7 +72,7 @@ public void TestMethod()
 {
     public class TestClass
     {
-        public void TestMethod()
+        public void TestMethod(int a, int b)
         {
             var test = 2;
             var x = $""{test}"";
@@ -79,6 +81,8 @@ public void TestMethod()
             x = $""({test} )"";
             x = $""{test}"";
             x = $""{test} "";
+            x = $""{new { a, b }}"";
+            x = $""{new { a, b }}"";
         }
     }
 }
@@ -88,6 +92,8 @@ public void TestMethod()
             {
                 Diagnostic().WithLocation(0).WithArguments(" not", "preceded"),
                 Diagnostic().WithLocation(1).WithArguments(" not", "preceded"),
+                Diagnostic().WithLocation(2).WithArguments(string.Empty, "preceded"),
+                Diagnostic().WithLocation(3).WithArguments(" not", "preceded"),
             };
 
             await VerifyCSharpFixAsync(testCode, expected, fixedCode, CancellationToken.None).ConfigureAwait(false);

StyleCop.Analyzers/StyleCop.Analyzers/SpacingRules/SA1013ClosingBracesMustBeSpacedCorrectly.cs

@@ -105,7 +105,8 @@ private static void HandleCloseBraceToken(SyntaxTreeAnalysisContext context, Syn
                     || (nextToken.IsKind(SyntaxKind.QuestionToken) && nextToken.GetNextToken(includeZeroWidth: true).IsKind(SyntaxKind.DotToken))
                     || nextToken.IsKind(SyntaxKind.CloseBracketToken)
                     || (nextToken.IsKind(SyntaxKind.ColonToken) && nextToken.Parent.IsKind(SyntaxKindEx.CasePatternSwitchLabel))
-                    || (nextToken.IsKind(SyntaxKind.ExclamationToken) && nextToken.Parent.IsKind(SyntaxKindEx.SuppressNullableWarningExpression));
+                    || (nextToken.IsKind(SyntaxKind.ExclamationToken) && nextToken.Parent.IsKind(SyntaxKindEx.SuppressNullableWarningExpression))
+                    || (nextToken.IsKind(SyntaxKind.CloseBraceToken) && nextToken.Parent.IsKind(SyntaxKind.Interpolation));
             }
             else
             {