Add RoomDetails for use (with RoomMemberDetails) in AvatarHeaderView.

[pixlwave]

As a precursor to implementing the sheet for banning users, this PR makes the following changes

• Add a RoomDetails struct as an analogue to RoomMemberDetails
  • This is used in RoomDetailsScreen but could potentially be used in more places in the future.
• Refactors AvatarHeaderView to only accept a room or member details in the init to share the logic for configuring the avatar, title and subtitle.
• Removes the unused RoomProxy.displayName property in favour of .name which we get from sliding sync.

Split into 2 commits for easier reviewing as the second commit contains a load of refactoring of mocks for displayName → name

[github-actions]

	Warnings
⚠️	Some of the commits are missing ticket numbers. Please consider squashing all commits that don't have a tracking number.
⚠️	You seem to have made changes to views. Please consider adding screenshots.
⚠️	ElementX/Sources/Screens/HomeScreen/View/HomeScreen.swift#L235 - Case statements should vertically align with their enclosing switch statement. (switch_case_alignment)
⚠️	ElementX/Sources/Screens/HomeScreen/View/HomeScreen.swift#L237 - Case statements should vertically align with their enclosing switch statement. (switch_case_alignment)
⚠️	ElementX/Sources/Screens/HomeScreen/View/HomeScreen.swift#L239 - Case statements should vertically align with their enclosing switch statement. (switch_case_alignment)
⚠️	ElementX/Sources/Screens/HomeScreen/View/HomeScreen.swift#L241 - Case statements should vertically align with their enclosing switch statement. (switch_case_alignment)
⚠️	ElementX/Sources/Services/Room/RoomMember/RoomMemberDetails.swift#L60 - Case statements should vertically align with their enclosing switch statement. (switch_case_alignment)
⚠️	ElementX/Sources/Services/Room/RoomMember/RoomMemberDetails.swift#L61 - Case statements should vertically align with their enclosing switch statement. (switch_case_alignment)
⚠️	ElementX/Sources/Services/Room/RoomMember/RoomMemberDetails.swift#L62 - Case statements should vertically align with their enclosing switch statement. (switch_case_alignment)

Generated by 🚫 Danger Swift against f3152f7

[sonarcloud]

Quality Gate passed

Issues
3 New issues

Measures
0 Security Hotspots
No data about Coverage
7.8% Duplication on New Code

See analysis details on SonarCloud

[codecov]

Codecov Report

Attention: 8 lines in your changes are missing coverage. Please review.

Comparison is base (6d9271c) 73.06% compared to head (f3152f7) 73.02%.
Report is 4 commits behind head on develop.

Files	Patch %	Lines
...urces/Screens/HomeScreen/HomeScreenViewModel.swift	33.33%	2 Missing ⚠️
...ens/RoomDetailsScreen/View/RoomDetailsScreen.swift	71.42%	2 Missing ⚠️
...X/Sources/Screens/HomeScreen/View/HomeScreen.swift	0.00%	1 Missing ⚠️
...erDetailsScreen/View/RoomMemberDetailsScreen.swift	83.33%	1 Missing ⚠️
...entX/Sources/Services/Room/RoomProxyProtocol.swift	85.71%	0 Missing and 1 partial ⚠️
...ne/TimelineController/RoomTimelineController.swift	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #2490      +/-   ##
===========================================
- Coverage    73.06%   73.02%   -0.04%     
===========================================
  Files          522      523       +1     
  Lines        36467    36520      +53     
  Branches     17498    17513      +15     
===========================================
+ Hits         26645    26670      +25     
- Misses        9189     9220      +31     
+ Partials       633      630       -3     

Flag	Coverage Δ
unittests	58.39% <91.57%> (-0.08%)	⬇️

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