a few fixed in printer/factory (#14239)

src/compiler/emitter.ts

@@ -1753,7 +1753,6 @@ namespace ts {
             else {
                 pushNameGenerationScope();
                 write("{");
-                increaseIndent();
                 emitBlockStatements(node);
                 write("}");
                 popNameGenerationScope();

src/compiler/factory.ts

@@ -1185,7 +1185,7 @@ namespace ts {
     }
 
     export function createModuleBlock(statements: Statement[]) {
-        const node = <ModuleBlock>createSynthesizedNode(SyntaxKind.CaseBlock);
+        const node = <ModuleBlock>createSynthesizedNode(SyntaxKind.ModuleBlock);
         node.statements = createNodeArray(statements);
         return node;
     }