Fixes#4366
- Added support for sending text events from the Qt event mapper
- Fixed several issues found while running the Profiler gem in debug
- Added ability to track AZ-consumed events in the Qt event mapper
- Minor clean up to input handling in ImGuiManager
- Select ImGui mouse events can now be properly consumed during AZ-input processing in the editor viewport
- Added tests for the Qt event mapper
Signed-off-by: AMZN-ScottR 24445312+AMZN-ScottR@users.noreply.github.com