fix(talk_app): Fix reactions overflow

[provokateurin]

Fixes #2671

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 28.90%. Comparing base (388dac9) to head (117d7a1).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2674      +/-   ##
==========================================
- Coverage   28.90%   28.90%   -0.01%     
==========================================
  Files         372      372              
  Lines      136624   136622       -2     
==========================================
- Hits        39491    39489       -2     
  Misses      97133    97133              

Flag	Coverage Δ		*Carryforward flag
account_repository	98.47% <ø> (ø)
cookie_store	99.48% <ø> (ø)		Carriedforward from 388dac9
dashboard_app	96.05% <ø> (ø)
dynamite	31.05% <ø> (ø)		Carriedforward from 388dac9
dynamite_end_to_end_test	61.69% <ø> (ø)		Carriedforward from 388dac9
dynamite_runtime	85.40% <ø> (ø)		Carriedforward from 388dac9
interceptor_http_client	97.18% <ø> (ø)		Carriedforward from 388dac9
neon_dashboard	96.05% <ø> (ø)		Carriedforward from 388dac9
neon_framework	61.44% <ø> (ø)
neon_http_client	93.61% <ø> (ø)		Carriedforward from 388dac9
neon_notifications	100.00% <ø> (ø)		Carriedforward from 388dac9
neon_storage	94.66% <ø> (ø)		Carriedforward from 388dac9
neon_talk	99.45% <ø> (ø)		Carriedforward from 388dac9
nextcloud	24.33% <ø> (ø)		Carriedforward from 388dac9
notifications_app	97.43% <ø> (ø)
notifications_push_repository	98.11% <ø> (ø)
sort_box	90.90% <ø> (ø)		Carriedforward from 388dac9
talk_app	99.00% <100.00%> (-0.01%)	⬇️

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

Files with missing lines	Coverage Δ
...k/packages/talk_app/lib/src/widgets/reactions.dart	100.00% <100.00%> (ø)

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