Use email field type to avoid jid capitalization on iOS

src/ejabberd_oauth.erl

@@ -414,7 +414,7 @@ process(_Handlers,
              [{<<"action">>, <<"authorization_token">>},
               {<<"method">>, <<"post">>}],
              [?LABEL(<<"username">>, [?CT(?T("User (jid)")), ?C(<<": ">>)]),
-              ?INPUTID(<<"text">>, <<"username">>, <<"">>),
+              ?INPUTID(<<"email">>, <<"username">>, <<"">>),
               ?BR,
               ?LABEL(<<"password">>, [?CT(?T("Password")), ?C(<<": ">>)]),
               ?INPUTID(<<"password">>, <<"password">>, <<"">>),