message: Don't say "drop files" for things that aren't files
  Fixes
  ## Validation Steps Performed
  Dragged things.
diff: @@ -2233,8 +2233,14 @@ namespace winrt::Microsoft::Terminal::TerminalControl::implementation
  void TermControl::_DragOverHandler(Windows::Foundation::IInspectable const& /*sender*/,
  DragEventArgs const& e)
  {
  + if (!e.DataView().Contains(StandardDataFormats::StorageItems()))
  + {
  + // We can't do anything for non-storageitems right now.
  + return;
  + }
  +
  // Make sure to set the AcceptedOperation, so that we can later receive the path in the Drop event
  - e.AcceptedOperation(winrt::Windows::ApplicationModel::DataTransfer::DataPackageOperation::Copy);
  + e.AcceptedOperation(DataPackageOperation::Copy);
  // Sets custom UI text
  e.DragUIOverride().Caption(RS_(L"DragFileCaption"));
  