Merge pull request #23680 from overleaf/msm-readonly-email-activation

[CE/SP] Fix `email` not sent on activation

GitOrigin-RevId: 3989bcc318086b3b10576138869296888be27998

services/web/modules/user-activate/app/views/user/activate.pug

@@ -42,7 +42,7 @@ block content
 									autocomplete="username"
 									value=email
 									required,
-									disabled
+									readonly
 								)
 							.form-group
 								label(for='password') #{translate("password")}