[Glitch] Rewrite actions/modal and reducers/modal with typescript

Port 38c6216082 to glitch-soc

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

app/javascript/flavours/glitch/features/compose/containers/navigation_container.js

@@ -21,11 +21,14 @@ const mapStateToProps = state => {
 
 const mapDispatchToProps = (dispatch, { intl }) => ({
   onLogout () {
-    dispatch(openModal('CONFIRM', {
-      message: intl.formatMessage(messages.logoutMessage),
-      confirm: intl.formatMessage(messages.logoutConfirm),
-      closeWhenConfirm: false,
-      onConfirm: () => logOut(),
+    dispatch(openModal({
+      modalType: 'CONFIRM',
+      modalProps: {
+        message: intl.formatMessage(messages.logoutMessage),
+        confirm: intl.formatMessage(messages.logoutConfirm),
+        closeWhenConfirm: false,
+        onConfirm: () => logOut(),
+      },
     }));
   },
 });