Skip OpenBrace check when preceded by Dot token (#1750)

* Fix issue 1741

* cleanup diff

Author: bergmeister

Rules/UseConsistentWhitespace.cs

@@ -233,6 +233,7 @@ private IEnumerable<DiagnosticRecord> FindOpenBraceViolations(TokenOperations to
                 if (lcurly.Previous == null
                     || !IsPreviousTokenOnSameLine(lcurly)
                     || lcurly.Previous.Value.Kind == TokenKind.LCurly
+                    || lcurly.Previous.Value.Kind == TokenKind.Dot
                     || ((lcurly.Previous.Value.TokenFlags & TokenFlags.MemberName) == TokenFlags.MemberName))
                 {
                     continue;

Tests/Rules/UseConsistentWhitespace.tests.ps1

@@ -72,6 +72,11 @@ if ($true)
             Invoke-ScriptAnalyzer -ScriptDefinition '$ast.Find({ $oneAst -is [TypeExpressionAst] })' -Settings $settings |
                 Should -BeNullOrEmpty
         }
+
+        It 'Should not find a violation if an open paren is preceded by a Dot token' {
+            Invoke-ScriptAnalyzer -ScriptDefinition '$foo.{bar}' -Settings $settings |
+                Should -BeNullOrEmpty
+        }
     }
 
     Context "When a parenthesis follows a keyword" {