* [LYN-4174] Added icons for gem catalog summary cart
* [LYN-4174] Gem Catalog: Text eliding for too long gem names and creators
* [LYN-4174] Gem catalog: Resetting filters when re-initializing for another project
* [LYN-4174] Gem Catalog: Fixed a bug with filters being applied/remembered after leaving gem catalog and coming back editing another project
* [LYN-4174] GemCatalog: Gem cart widget and overlay window
* Added cart button with dynamic label to display the number of gems to be enabled/disabled and a arrow down button to indicate some sort of pop-up/overlay window will appear on click.
* Overlay gem tags update dynamically while the dialog is open based on the gem model.
* Moved some styling from C++ to the style sheet.
* Projects Home Screen Dynamically displays Projects from O3DE and can open Project settings editor
* Seperated out CreateProjectCtrl and UpdateProjectCtrl
* Moved source level statics back into class headers
* Updated background image location