Fix unexpected unkown options recognition

Summary:
#thanks LukeDefeo for helping to debug power search

Before:
 https://pxl.cl/3JFqq

Reviewed By: LukeDefeo, lblasa

Differential Revision: D50884084

fbshipit-source-id: 4cf76a73704cda3627b3bb5ab170d6e76df977cf

desktop/flipper-plugin/src/ui/PowerSearch/PowerSearchTermFinder.tsx

@@ -65,8 +65,10 @@ export const PowerSearchTermFinder = React.forwardRef<
         onChange={setSearchTermFinderValue}
         onBlur={() => {
           setSearchTermFinderValue(null);
-        }}
-        onInputKeyDown={(event) => {
+        }}>
+        <Input
+          bordered={false}
+          onKeyUp={(event) => {
             if (event.key === 'Enter') {
               if (searchTermFinderValue && onConfirmUnknownOption) {
                 onConfirmUnknownOption(searchTermFinderValue);
@@ -76,9 +78,7 @@ export const PowerSearchTermFinder = React.forwardRef<
             if (event.key === 'Backspace' && !searchTermFinderValue) {
               onBackspacePressWhileEmpty();
             }
-        }}>
-        <Input
-          bordered={false}
+          }}
           onPasteCapture={(event) => {
             const text = event.clipboardData.getData('text/plain');