feat(ui): add reload schema button (#3252)

Author: blessedcoolant

invokeai/frontend/web/src/features/nodes/components/panels/TopCenterPanel.tsx

@@ -1,7 +1,9 @@
+import { HStack } from '@chakra-ui/react';
 import { useAppDispatch } from 'app/storeHooks';
 import IAIButton from 'common/components/IAIButton';
 import { memo, useCallback } from 'react';
 import { Panel } from 'reactflow';
+import { receivedOpenAPISchema } from 'services/thunks/schema';
 import { nodesGraphBuilt } from 'services/thunks/session';
 
 const TopCenterPanel = () => {
@@ -11,11 +13,18 @@ const TopCenterPanel = () => {
     dispatch(nodesGraphBuilt());
   }, [dispatch]);
 
+  const handleReloadSchema = useCallback(() => {
+    dispatch(receivedOpenAPISchema());
+  }, [dispatch]);
+
   return (
     <Panel position="top-center">
-      <IAIButton colorScheme="accent" onClick={handleInvoke}>
-        Will it blend?
-      </IAIButton>
+      <HStack>
+        <IAIButton colorScheme="accent" onClick={handleInvoke}>
+          Will it blend?
+        </IAIButton>
+        <IAIButton onClick={handleReloadSchema}>Reload Schema</IAIButton>
+      </HStack>
     </Panel>
   );
 };