Fallback for poll ended event (PSG-1156)

[alfogrillo]

Description

This PR:

• Adds a fallback text for m.poll.end events. These fallbacks are useful for receivers when the associated m.poll.start event is unavailable. (see screenshots below)
• Fixes a bug that prevented to see the last "poll ended" event in the room list

Dependency

matrix-org/matrix-ios-sdk#1713

Result

Plain	Bubble

|

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[codecov]

Codecov Report

Base: 12.08% // Head: 12.09% // Increases project coverage by +0.00% 🎉

Coverage data is based on head (aab905f) compared to base (398f0c2).
Patch coverage: 12.50% of modified lines in pull request are covered.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #7353   +/-   ##
========================================
  Coverage    12.08%   12.09%           
========================================
  Files         1637     1638    +1     
  Lines       161848   161887   +39     
  Branches     66439    66456   +17     
========================================
+ Hits         19566    19576   +10     
- Misses      141636   141664   +28     
- Partials       646      647    +1     

Flag	Coverage Δ
uitests	55.34% <0.00%> (-0.04%)	⬇️
unittests	5.97% <12.50%> (-0.01%)	⬇️

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

Impacted Files	Coverage Δ
...Models/Room/MXKSendReplyEventStringLocalizer.swift	0.00% <0.00%> (ø)
.../Styles/Bubble/Cells/Poll/PollBaseBubbleCell.swift	0.00% <0.00%> (ø)
...imelinePoll/Coordinator/TimelinePollProvider.swift	0.00% <0.00%> (ø)
...om/TimelinePoll/View/TimelinePollMessageView.swift	0.00% <0.00%> (ø)
Riot/Modules/MatrixKit/Models/MXKAppSettings.m	36.63% <100.00%> (+0.19%)	⬆️
...MatrixKit/Utils/EventFormatter/MXKEventFormatter.m	17.00% <100.00%> (ø)
...ojiPicker/Data/EmojiMart/EmojiItem+EmojiMart.swift	95.34% <0.00%> (-0.31%)	⬇️
...es/Room/VoiceMessages/VoiceMessageController.swift	0.00% <0.00%> (ø)
...odules/Room/PollHistory/View/SegmentedPicker.swift	58.92% <0.00%> (+22.26%)	⬆️

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.

[stefanceriu]

Looks good to me 👍