Fix -Wredundant-move and -Wdeprecated-copy warnings (#6663)

* Do not move result at end of function

This makes GCC 9.1.2 happy with the active -Wredundant-move warning.
Indeed, such moving of local variables or local arguments before
returning is unnecessary and prevents the compiler from copy elision
optimization.

Telegram/SourceFiles/info/info_wrap_widget.cpp

@@ -1043,7 +1043,7 @@ object_ptr<Ui::RpWidget> WrapWidget::createTopBarSurrogate(
 		});
 		result->setGeometry(_topBar->geometry());
 		result->show();
-		return std::move(result);
+		return result;
 	}
 	return nullptr;
 }