Minor: redirect to home page for signin route when user is already logged in (#14915)

* Minor: redirect to home page for signin route when used is already logged in

* added more routes to redirect to home page

openmetadata-ui/src/main/resources/ui/src/components/AppRouter/AuthenticatedAppRouter.tsx

@@ -1346,6 +1346,16 @@ const AuthenticatedAppRouter: FunctionComponent = () => {
         )}
       />
       {routeElements}
+      <Route
+        exact
+        path={[
+          ROUTES.SIGNIN,
+          ROUTES.REGISTER,
+          ROUTES.SIGNIN,
+          ROUTES.FORGOT_PASSWORD,
+        ]}>
+        <Redirect to={ROUTES.MY_DATA} />
+      </Route>
       <Route exact component={PageNotFound} path={ROUTES.NOT_FOUND} />
       <Redirect to={ROUTES.NOT_FOUND} />
     </Switch>