Fix selection render on paste (#11286)

## Summary of the Pull Request
Clears selection render on paste

## PR Checklist
* [x] Closes #11227
* [x] CLA signed. If not, go over [here](https://cla.opensource.microsoft.com/microsoft/Terminal) and sign the CLA

## Detailed Description of the Pull Request / Additional comments
Added ```_renderer->TriggerSelection(); ``` similarly to the copy action few lines up in ```CopySelectionToClipboard``` function

## Validation Steps Performed
Manually tested

src/cascadia/TerminalControl/ControlCore.cpp

@@ -979,6 +979,7 @@ namespace winrt::Microsoft::Terminal::Control::implementation
     {
         _terminal->WritePastedText(hstr);
         _terminal->ClearSelection();
+        _renderer->TriggerSelection();
         _terminal->TrySnapOnInput();
     }