Improve typing on LoginComponent

The `onSubmit` method took in an `any` value. Get rid of that and
replace it with the interface we know we're getting from the form.

PER-9810: Archive tags are not loaded on login

src/app/auth/components/login/login.component.ts

@@ -49,7 +49,12 @@ export class LoginComponent {
     });
   }
 
-  onSubmit(formValue: any) {
+  onSubmit(formValue: {
+    email: string;
+    password: string;
+    rememberMe: boolean;
+    keepLoggedIn: boolean;
+  }) {
     this.waiting = true;
 
     return this.accountService