Fix conflict between formatting rules (microsoft#21038)

Author: Andy

src/services/formatting/rules.ts

@@ -80,7 +80,7 @@ namespace ts.formatting {
             rule("SpaceAfterSubtractWhenFollowedByUnaryMinus", SyntaxKind.MinusToken, SyntaxKind.MinusToken, [isNonJsxSameLineTokenContext, isBinaryOpContext], RuleAction.Space),
             rule("SpaceAfterSubtractWhenFollowedByPredecrement", SyntaxKind.MinusToken, SyntaxKind.MinusMinusToken, [isNonJsxSameLineTokenContext, isBinaryOpContext], RuleAction.Space),
 
-            rule("NoSpaceAfterCloseBrace", SyntaxKind.CloseBraceToken, [SyntaxKind.CloseBracketToken, SyntaxKind.CommaToken, SyntaxKind.SemicolonToken], [isNonJsxSameLineTokenContext], RuleAction.Delete),
+            rule("NoSpaceAfterCloseBrace", SyntaxKind.CloseBraceToken, [SyntaxKind.CommaToken, SyntaxKind.SemicolonToken], [isNonJsxSameLineTokenContext], RuleAction.Delete),
             // For functions and control block place } on a new line [multi-line rule]
             rule("NewLineBeforeCloseBraceInBlockContext", anyTokenIncludingMultilineComments, SyntaxKind.CloseBraceToken, [isMultilineBlockContext], RuleAction.NewLine),
 

tests/cases/fourslash/formatInsertSpaceAfterCloseBraceBeforeCloseBracket.ts

@@ -0,0 +1,7 @@
+///<reference path="fourslash.ts"/>
+
+////[{}]
+
+format.setOption("insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets", true);
+format.document();
+verify.currentFileContentIs("[ {} ]");