show correct message after all employees are assigned to a project

- fixed issue where loader spinner stayed active after API call
- added setLoading(false) in useAllEmployee hook after API call
- now message All employee assigned to Project." shows properly

src/hooks/useEmployees.js

@@ -16,7 +16,8 @@ export const useAllEmployees = () => {
         setLoading(true);
         const response = await EmployeeRepository.getAllEmployeeList();
         cacheData("AllEmployees", response.data);
-        setEmployeeList(response.data);
+        setEmployeeList( response.data );
+        setLoading(false);
       } else {
         setEmployeeList(EmployeeList_cached);
         setLoading(false);