Made room state event collapsing configurable, expose it in the developer menu. Allow the UserSetting property wrappers to only store values in memory (+11 squashed commits)

Squashed commits:
[42e45fc] Even more tweaks following code review
[5dcd5be] Add swift-algoritms and switch bubbling detection to its `chunked` method
[4ac70ed] Move the groupBy implementation to Collection instead of Array
[6aeffc3] Tweaks following code review
[0ca5ac2] Bubbles working again, grouping computed closer to the UI level
[3a66030] Refactor how timeline items are built in the RoomTimelineController
[57d51e9] Remove grouping from timeline items
[8608950] Remove the RoomTimelineViewFactory, update the GroupRoomTimelineView
[9e52e61] Add array grouping extension, unit tests and switched the timeline controller to it
[7d213a1] First attempt
[90bb1d7] Remove now unused `RoomTimelineController` `updatedTimelineItem` calback

ElementX/Sources/Services/Timeline/TimelineItems/EventBasedTimelineItemProtocol.swift

@@ -17,27 +17,9 @@
 import Foundation
 import UIKit
 
-enum TimelineItemGroupState: Hashable {
-    case single
-    case beginning
-    case middle
-    case end
-
-    var shouldShowSenderDetails: Bool {
-        switch self {
-        case .single, .beginning:
-            return true
-        default:
-            return false
-        }
-    }
-}
-
 protocol EventBasedTimelineItemProtocol: RoomTimelineItemProtocol, CustomStringConvertible {
     var body: String { get }
     var timestamp: String { get }
-    var shouldShowSenderDetails: Bool { get }
-    var groupState: TimelineItemGroupState { get }
     var isOutgoing: Bool { get }
     var isEditable: Bool { get }
     
@@ -47,31 +29,6 @@ protocol EventBasedTimelineItemProtocol: RoomTimelineItemProtocol, CustomStringC
 }
 
 extension EventBasedTimelineItemProtocol {
-    var shouldShowSenderDetails: Bool {
-        groupState.shouldShowSenderDetails
-    }
-    
-    var roundedCorners: UIRectCorner {
-        switch groupState {
-        case .single:
-            return .allCorners
-        case .beginning:
-            if isOutgoing {
-                return [.topLeft, .topRight, .bottomLeft]
-            } else {
-                return [.topLeft, .topRight, .bottomRight]
-            }
-        case .middle:
-            return isOutgoing ? [.topLeft, .bottomLeft] : [.topRight, .bottomRight]
-        case .end:
-            if isOutgoing {
-                return [.topLeft, .bottomLeft, .bottomRight]
-            } else {
-                return [.topRight, .bottomLeft, .bottomRight]
-            }
-        }
-    }
-
     var description: String {
         "\(String(describing: Self.self)): id: \(id), timestamp: \(timestamp), isOutgoing: \(isOutgoing), properties: \(properties)"
     }