Fix a crash in the rclick context menu (#15079)

Due to a bad merge a few commits back. This event should have had a
revoker.

Probably regressed in #14851

src/cascadia/TerminalControl/TermControl.cpp

@@ -94,6 +94,7 @@ namespace winrt::Microsoft::Terminal::Control::implementation
         _revokers.coreOpenHyperlink = _core.OpenHyperlink(winrt::auto_revoke, { get_weak(), &TermControl::_HyperlinkHandler });
         _revokers.interactivityOpenHyperlink = _interactivity.OpenHyperlink(winrt::auto_revoke, { get_weak(), &TermControl::_HyperlinkHandler });
         _revokers.interactivityScrollPositionChanged = _interactivity.ScrollPositionChanged(winrt::auto_revoke, { get_weak(), &TermControl::_ScrollPositionChanged });
+        _revokers.ContextMenuRequested = _interactivity.ContextMenuRequested(winrt::auto_revoke, { get_weak(), &TermControl::_contextMenuHandler });
 
         // "Bubbled" events - ones we want to handle, by raising our own event.
         _revokers.CopyToClipboard = _core.CopyToClipboard(winrt::auto_revoke, { get_weak(), &TermControl::_bubbleCopyToClipboard });
@@ -106,8 +107,6 @@ namespace winrt::Microsoft::Terminal::Control::implementation
 
         _revokers.PasteFromClipboard = _interactivity.PasteFromClipboard(winrt::auto_revoke, { get_weak(), &TermControl::_bubblePasteFromClipboard });
 
-        _interactivity.ContextMenuRequested({ this, &TermControl::_contextMenuHandler });
-
         // Initialize the terminal only once the swapchainpanel is loaded - that
         //      way, we'll be able to query the real pixel size it got on layout
         _layoutUpdatedRevoker = SwapChainPanel().LayoutUpdated(winrt::auto_revoke, [this](auto /*s*/, auto /*e*/) {

src/cascadia/TerminalControl/TermControl.h

@@ -373,6 +373,7 @@ namespace winrt::Microsoft::Terminal::Control::implementation
             Control::ControlInteractivity::OpenHyperlink_revoker interactivityOpenHyperlink;
             Control::ControlInteractivity::ScrollPositionChanged_revoker interactivityScrollPositionChanged;
             Control::ControlInteractivity::PasteFromClipboard_revoker PasteFromClipboard;
+            Control::ControlInteractivity::ContextMenuRequested_revoker ContextMenuRequested;
         } _revokers{};
     };
 }