Merge pull request #12815 from Dentomologist/enable_hotkeys_and_controllers_for_focused_tas_input

TAS Input: Enable emulator hotkeys and controller input when TAS Input window has focus

Source/UnitTests/StubHost.cpp

@@ -63,6 +63,10 @@ bool Host_RendererIsFullscreen()
 {
   return false;
 }
+bool Host_TASInputHasFocus()
+{
+  return false;
+}
 void Host_YieldToUI()
 {
 }