apply forms stylesheet to form pages

Summary: Ref T3071

Reviewers: #testers, kuba-orlik

Reviewed By: #testers, kuba-orlik

Subscribers: jenkins-user

Maniphest Tasks: T3071

Differential Revision: https://hub.sealcode.org/D1631

src/back/routes/login.form.ts

@@ -69,6 +69,7 @@ export default new (class LoginForm extends Form<typeof fields, void> {
 			ctx,
 			title: "Form",
 			description: "",
+			css_clumps: ["admin-forms"],
 			body: super.render(ctx, data, show_field_errors) as Promise<string>,
 		});
 	}

src/back/routes/signIn.form.ts

@@ -117,6 +117,7 @@ export default new (class SignInForm extends Form<typeof fields, void> {
 			ctx,
 			title: "SignIn",
 			description: "",
+			css_clumps: ["admin-forms"],
 			body: tempstream`${await super.render(ctx, data, show_field_errors)}`,
 		});
 	}