[FE] Add missing schema name upon edit (#3561)

Author: NeiruBugz

kafka-ui-react-app/src/components/Schemas/Edit/Form.tsx

@@ -110,7 +110,7 @@ const Form: React.FC = () => {
   return (
     <FormProvider {...methods}>
       <PageHeading
-        text="Edit"
+        text={`${subject} Edit`}
         backText="Schema Registry"
         backTo={clusterSchemasPath(clusterName)}
       />