Add a simple mode to the RA condition editor

devTools/types/FC/RA.d.ts

js/rulesAssistant/conditionEditorSimple.js

js/rulesAssistant/conditionEditorTree.js

js/rulesAssistant/z1-conditionEditorController.js

src/data/backwardsCompatibility/datatypeCleanup.js

src/js/rulesAssistant.js

src/js/rulesAssistantOptions.js