[Glitch] Implement adding a user to a list from their profile

Port bb5558de62 to glitch-soc

app/javascript/flavours/glitch/features/account_timeline/containers/header_container.js

@@ -120,6 +120,12 @@ const mapDispatchToProps = (dispatch, { intl }) => ({
     dispatch(unblockDomain(domain));
   },
 
+  onAddToList(account){
+    dispatch(openModal('LIST_ADDER', {
+      accountId: account.get('id'),
+    }));
+  },
+
 });
 
 export default injectIntl(connect(makeMapStateToProps, mapDispatchToProps)(Header));