spelling:getPropertiesOfType instead of objectType

This provides suggestions for more types based on their apparent type:
unions, type parameters with constraints, primitives.

src/compiler/checker.ts

@@ -14504,7 +14504,7 @@ namespace ts {
         }
 
         function getSuggestionForNonexistentProperty(node: Identifier, containingType: Type): string | undefined {
-            const suggestion = getSpellingSuggestionForName(node.text, getPropertiesOfObjectType(containingType), SymbolFlags.Value);
+            const suggestion = getSpellingSuggestionForName(node.text, getPropertiesOfType(containingType), SymbolFlags.Value);
             return suggestion && suggestion.name;
         }
 

src/services/codefixes/fixSpelling.ts

@@ -16,7 +16,7 @@ namespace ts.codefix {
         const checker = context.program.getTypeChecker();
         let suggestion: string;
         if (node.kind === SyntaxKind.Identifier && isPropertyAccessExpression(node.parent)) {
-            const containingType = checker.getApparentType(checker.getTypeAtLocation(node.parent.expression));
+            const containingType = checker.getTypeAtLocation(node.parent.expression);
             suggestion = checker.getSuggestionForNonexistentProperty(node as Identifier, containingType);
         }
         else {