minor search screen ux improvements (#2264)

* handle taps while keyboard is displayed

* dismiss keyboard on drag when searching feeds

* dismiss on drag and persist taps on suggested follows

* add hitslop to clear button

* add hitslop to cancel button

* dismiss keyboard on drag when searching users

* hit slop for feed search clear button

* move import

src/view/screens/Feeds.tsx

@@ -494,6 +494,8 @@ export function FeedsScreen(_props: Props) {
         // @ts-ignore our .web version only -prf
         desktopFixedHeight
         scrollIndicatorInsets={{right: 1}}
+        keyboardShouldPersistTaps="handled"
+        keyboardDismissMode="on-drag"
       />
 
       {hasSession && (