Prevent image gallery selection event from scrolling table back up after you scroll the table down to load new images. Also prevent the image gallery from reloading data on a catalog page loaded event unless it is empty. Removed String extension code no longer needed.
Prevent image gallery selection event from scrolling table back up after you scroll the table down to load new images. Also prevent the image gallery from reloading data on a catalog page loaded event unless it is empty. Removed String extension code no longer needed.

OpsLabJPL/MarsImagesIOS,OpsLabJPL/MarsImagesIOS