TextEditor: Add a convenience append method for quick fixes

Less noise on the user side.

Change-Id: Ia5b495a1f9d3ec43623056d793f6771b3b84fd6b
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

src/plugins/cppeditor/cppinsertvirtualmethods.cpp

@@ -1088,7 +1088,7 @@ void InsertVirtualMethods::match(const CppQuickFixInterface &interface, QuickFix
 {
     InsertVirtualMethodsOp *op = new InsertVirtualMethodsOp(interface, m_dialog);
     if (op->isValid())
-        result.append(QuickFixOperation::Ptr(op));
+        result.append(op);
     else
         delete op;
 }