Several Additions to User Interface * Historical searches dropdown and separate history screen. * Query assist dialogs for date range and mime type. * Recoll Query Cheat SheetSupport all Recoll MimeType Icons Bugs Fixed: * Don't push results screen repeatedly onto the back stack every time a new search is run. Tested with v1.1 of arm64 server docker image (see https://gitlab.com/gbygrave/recolldroid-server/container_registry)