Add option to scan loaded folder again

frontend/public/locales/modelmanager/en.json

@@ -34,6 +34,7 @@
   "checkpointFolder": "Checkpoint Folder",
   "clearCheckpointFolder": "Clear Checkpoint Folder",
   "findModels": "Find Models",
+  "scanAgain": "Scan Again",
   "modelsFound": "Models Found",
   "selectFolder": "Select Folder",
   "selected": "Selected",

frontend/src/features/system/components/ModelManager/SearchModels.tsx

@@ -26,6 +26,7 @@ import type { ReactNode, ChangeEvent } from 'react';
 import type { FoundModel } from 'app/invokeai';
 import IAIInput from 'common/components/IAIInput';
 import { Field, Formik } from 'formik';
+import { BiReset } from 'react-icons/bi';
 
 const existingModelsSelector = createSelector([systemSelector], (system) => {
   const { model_list } = system;
@@ -130,6 +131,10 @@ export default function SearchModels() {
     (state: RootState) => state.options.shouldShowExistingModelsInSearch
   );
 
+  const isProcessing = useAppSelector(
+    (state: RootState) => state.system.isProcessing
+  );
+
   const [modelsToAdd, setModelsToAdd] = React.useState<string[]>([]);
 
   const resetSearchModelHandler = () => {
@@ -243,6 +248,16 @@ export default function SearchModels() {
           >
             {searchFolder}
           </p>
+          <IAIIconButton
+            aria-label={t('modelmanager:scanAgain')}
+            tooltip={t('modelmanager:scanAgain')}
+            icon={<BiReset />}
+            position={'absolute'}
+            right={16}
+            fontSize={18}
+            disabled={isProcessing}
+            onClick={() => dispatch(searchForModels(searchFolder))}
+          />
           <IAIIconButton
             aria-label={t('modelmanager:clearCheckpointFolder')}
             icon={<FaPlus style={{ transform: 'rotate(45deg)' }} />}
@@ -277,6 +292,7 @@ export default function SearchModels() {
                   aria-label={t('modelmanager:findModels')}
                   tooltip={t('modelmanager:findModels')}
                   type="submit"
+                  disabled={isProcessing}
                 />
               </HStack>
             </form>