[WEB-5459] feat(codemods): add function declaration transformer with tests (#8137)

- Add jscodeshift-based codemod to convert arrow function components to function declarations
- Support React.FC, observer-wrapped, and forwardRef components
- Include comprehensive test suite covering edge cases
- Add npm script to run transformer across codebase
- Target only .tsx files in source directories, excluding node_modules and declaration files

* [WEB-5459] chore: updates after running codemod

---------

Co-authored-by: sriramveeraghanta <veeraghanta.sriram@gmail.com>

packages/ui/src/link/block.tsx

@@ -14,7 +14,7 @@ export type TLinkItemBlockProps = {
   onClick?: () => void;
 };
 
-export const LinkItemBlock: FC<TLinkItemBlockProps> = (props) => {
+export function LinkItemBlock(props: TLinkItemBlockProps) {
   // props
   const { title, url, createdAt, menuItems, onClick } = props;
   // icons
@@ -67,4 +67,4 @@ export const LinkItemBlock: FC<TLinkItemBlockProps> = (props) => {
       )}
     </div>
   );
-};
+}