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

UnitTests/Sources/ArrayTests.swift

@@ -0,0 +1,45 @@
+//
+// Copyright 2023 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import Foundation
+
+import XCTest
+
+@testable import ElementX
+
+class ArrayTests: XCTestCase {
+    func testGrouping() {
+        XCTAssertEqual([].groupBy { $0 == 0 }, [])
+        
+        XCTAssertEqual([0].groupBy { $0 == 0 }, [[0]])
+        
+        XCTAssertEqual([1].groupBy { $0 == 0 }, [[1]])
+        
+        XCTAssertEqual([0, 0, 0].groupBy { $0 == 0 }, [[0, 0, 0]])
+        
+        XCTAssertEqual([1, 1, 1].groupBy { $0 == 0 }, [[1], [1], [1]])
+        
+        XCTAssertEqual([1, 0, 0, 1].groupBy { $0 == 0 }, [[1], [0, 0], [1]])
+        
+        XCTAssertEqual([0, 0, 1, 0].groupBy { $0 == 0 }, [[0, 0], [1], [0]])
+        
+        XCTAssertEqual([0, 0, 0, 1, 2, 3, 0].groupBy { $0 == 0 }, [[0, 0, 0], [1], [2], [3], [0]])
+        
+        XCTAssertEqual([0, 0, 0, 1, 2, 3, 0, 0].groupBy { $0 == 0 }, [[0, 0, 0], [1], [2], [3], [0, 0]])
+        
+        XCTAssertEqual([0, 0, 0, 1, 0, 2, 3, 0, 0].groupBy { $0 == 0 }, [[0, 0, 0], [1], [0], [2], [3], [0, 0]])
+    }
+}