fix(nextcloud)!: Fix deleted parent messages in spreed

[provokateurin]

Fixes #2083
Upstream nextcloud/spreed#12951 (will wait for it to be merged before merging this PR)

[codecov]

Codecov Report

Attention: Patch coverage is 59.55882% with 55 lines in your changes missing coverage. Please review.

Project coverage is 26.34%. Comparing base (955f599) to head (5f716d1).
Report is 3 commits behind head on main.

Files	Patch %	Lines
...nextcloud/lib/src/api/spreed/spreed.openapi.g.dart	55.40%	33 Missing ⚠️
...s/nextcloud/lib/src/api/spreed/spreed.openapi.dart	59.25%	22 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2377      +/-   ##
==========================================
+ Coverage   26.29%   26.34%   +0.04%     
==========================================
  Files         362      362              
  Lines      136468   136589     +121     
==========================================
+ Hits        35889    35983      +94     
- Misses     100579   100606      +27     

Flag	Coverage Δ		*Carryforward flag
cookie_store	100.00% <ø> (ø)		Carriedforward from 955f599
dashboard_app	96.05% <ø> (ø)
dynamite	31.08% <ø> (ø)		Carriedforward from 955f599
dynamite_end_to_end_test	61.84% <ø> (ø)		Carriedforward from 955f599
dynamite_runtime	85.40% <ø> (ø)		Carriedforward from 955f599
neon_dashboard	96.05% <ø> (ø)		Carriedforward from 955f599
neon_framework	45.83% <ø> (ø)
neon_http_client	93.28% <ø> (ø)
neon_notifications	100.00% <ø> (ø)		Carriedforward from 955f599
neon_talk	99.45% <ø> (ø)		Carriedforward from 955f599
nextcloud	22.34% <57.03%> (+0.05%)	⬆️
notifications_app	100.00% <ø> (ø)
sort_box	90.90% <ø> (ø)		Carriedforward from 955f599
talk_app	99.36% <100.00%> (+<0.01%)	⬆️

*This pull request uses carry forward flags. Click here to find out more.

Files	Coverage Δ
...ramework/packages/talk_app/lib/src/blocs/room.dart	98.54% <100.00%> (+0.01%)	⬆️
...ork/packages/talk_app/lib/src/widgets/message.dart	100.00% <100.00%> (ø)
...s/nextcloud/lib/src/api/spreed/spreed.openapi.dart	33.13% <59.25%> (+0.12%)	⬆️
...nextcloud/lib/src/api/spreed/spreed.openapi.g.dart	15.19% <55.40%> (+0.19%)	⬆️