[Glitch] Manage focus on navigation

Port bcb8553e01 to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

app/javascript/flavours/glitch/actions/modal.ts

@@ -10,6 +10,7 @@ interface OpenModalPayload {
   modalType: ModalType;
   modalProps: ModalProps;
   previousModalProps?: ModalProps;
+  ignoreFocus?: boolean;
 }
 export const openModal = createAction<OpenModalPayload>('MODAL_OPEN');