Filter query (#3740)

* Add search field to filter dialog
* Add / shortcut to focus query
* Fix f keybind typing f into query field
* Document keyboard shortcut

ui/v2.5/src/components/List/ItemList.tsx

@@ -193,7 +193,13 @@ export function makeItemList<T extends QueryResult, E extends IDataItem>({
 
     // set up hotkeys
     useEffect(() => {
-      Mousetrap.bind("f", () => setShowEditFilter(true));
+      Mousetrap.bind("f", (e) => {
+        setShowEditFilter(true);
+        // prevent default behavior of typing f in a text field
+        // otherwise the filter dialog closes, the query field is focused and
+        // f is typed.
+        e.preventDefault();
+      });
 
       return () => {
         Mousetrap.unbind("f");