[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>

apps/admin/app/(all)/(dashboard)/email/test-email-modal.tsx

@@ -19,7 +19,7 @@ enum ESendEmailSteps {
 
 const instanceService = new InstanceService();
 
-export const SendTestEmailModal: React.FC<Props> = (props) => {
+export function SendTestEmailModal(props: Props) {
   const { isOpen, handleClose } = props;
 
   // state
@@ -133,4 +133,4 @@ export const SendTestEmailModal: React.FC<Props> = (props) => {
       </Dialog>
     </Transition.Root>
   );
-};
+}