Add auto-login after password reset on iOS and Android

- Add LOGGING_IN step to PasswordResetStep enum on both platforms
- Auto-login with new credentials after successful password reset
- Navigate directly to main app (or verification screen if unverified)
- Show "Logging in..." state during auto-login process
- Hide back button during auto-login to prevent interruption
- Fall back to "Return to Login" if auto-login fails

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

iosApp/iosApp/Localizable.xcstrings

@@ -17388,6 +17388,9 @@
     },
     "Log in" : {
 
+    },
+    "Logging in..." : {
+
     },
     "Mark Task In Progress" : {
       "comment" : "A button label that says \"Mark Task In Progress\".",
@@ -21300,6 +21303,9 @@
     "Reset Password" : {
       "comment" : "The title of the screen where users can reset their passwords.",
       "isCommentAutoGenerated" : true
+    },
+    "Resetting..." : {
+
     },
     "Residences" : {
       "comment" : "A tab label for the \"Residences\" section in the main tab view.",