Add backspace to delete shortcuts

Many Macs don't have a 'delete' key, so this is much more common and
expected UX wise. No real downside to supporting both, although we'll
continue showing just 'Delete' in the tooltips as the preferred option.

Author: pimterry

src/components/view/view-page.tsx

@@ -114,15 +114,15 @@ const ViewPageKeyboardShortcuts = (props: {
         }
     }, [selectedEvent, props.onBuildRuleFromExchange, props.isPaidUser]);
 
-    useHotkeys('Ctrl+Delete, Cmd+Delete', (event) => {
+    useHotkeys('Ctrl+Delete, Cmd+Delete, Ctrl+Backspace, Cmd+Backspace', (event) => {
         if (isEditable(event.target)) return;
 
         if (selectedEvent) {
             props.onDelete(selectedEvent);
         }
     }, [selectedEvent, props.onDelete]);
 
-    useHotkeys('Ctrl+Shift+Delete, Cmd+Shift+Delete', (event) => {
+    useHotkeys('Ctrl+Shift+Delete, Cmd+Shift+Delete, Ctrl+Shift+Backspace, Cmd+Shift+Backspace', (event) => {
         props.onClear();
         event.preventDefault();
     }, [props.onClear]);