* glom/base_db.[h|cc]: Move show_warning_no_records_found() to utils_ui.[h|cc].
get_find_where_clause_quick(): Move to utils.[h|cc].
* glom/frame_glom.cc: Adapted.
* glom/mode_design/layout/layout_item_dialogs/box_formatting.h:
* glom/mode_design/layout/layout_item_dialogs/dialog_buttonscript.[h|cc]:
* glom/mode_data/datawidget/dialog_choose_id.[h|cc]: Don't derive from Base_DB
because that is no longer necessary after adapting.