Added an alert before creating a new DM

[Velin92]

fixes #3729

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.

---

Element CI seems not to be a GitHub user. You need a GitHub account to be able to sign the CLA. If you have already a GitHub account, please add the email address used for this commit to your account.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[pixlwave]

LGTM 👍

[sonarqubecloud]

Quality Gate failed

Failed conditions
34.9% Duplication on New Code (required ≤ 10%)

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 56 lines in your changes missing coverage. Please review.

Project coverage is 77.54%. Comparing base (d195e60) to head (3028eca).
Report is 3 commits behind head on develop.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
...tailsScreen/RoomMemberDetailsScreenViewModel.swift	0.00%	31 Missing ⚠️
...UserProfileScreen/UserProfileScreenViewModel.swift	0.00%	25 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #3730      +/-   ##
===========================================
- Coverage    77.63%   77.54%   -0.09%     
===========================================
  Files          797      797              
  Lines        69273    69319      +46     
===========================================
- Hits         53780    53756      -24     
- Misses       15493    15563      +70     

Flag	Coverage Δ
unittests	70.27% <0.00%> (-0.13%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.