feat: add board options dropdown and pipeline stage creation (#1399)

* feat: add board options dropdown and pipeline stage creation

Closes #1395

* refactor: code review

- remove useCallback

front/src/modules/ui/board/components/BoardOptionsDropdownButton.tsx

@@ -1,9 +1,11 @@
 import { StyledHeaderDropdownButton } from '@/ui/dropdown/components/StyledHeaderDropdownButton';
 import { useDropdownButton } from '@/ui/dropdown/hooks/useDropdownButton';
 
+import { BoardOptionsDropdownKey } from '../types/BoardOptionsDropdownKey';
+
 export function BoardOptionsDropdownButton() {
   const { isDropdownButtonOpen, toggleDropdownButton } = useDropdownButton({
-    key: 'options',
+    key: BoardOptionsDropdownKey,
   });
 
   function handleClick() {