Fixes #974 - Replace the timeline item contex menu with a bottom sheet

(+10 squashed commits)
[ba1d3160] Update timeline item action menu reaction UI
[410315ac] Move away from item bound action meus plus various tweaks following code review
[c25cd998] Add emoji reactions to the new timeline item action menu
[57001f49] Prevent timeline view layouts from dismissing the action menu
[d1e70538] Various UI tweaks
[652f4143] Switch to a long press gesture, move the header outside of the scroll view
[569a485c] Workaround timeline item action menu presentation state not being stored
[80c29567] Add currently selected item information in the TimelineItemMenu
[ff7790ec] Fixes #974 - Replace the timeline item contex menu with a bottom sheet
[ba1d3160] Rename TimelineItemContextMenu to TimelineIteMenu so that git correctly interprets it

ElementX/Sources/Other/SwiftUI/Layout/EqualIconWithLabelStyle.swift

@@ -0,0 +1,30 @@
+//
+// 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 SwiftUI
+
+struct FixedIconSizeLabelStyle: LabelStyle {
+    @ScaledMetric private var iconSize = 24.0
+    
+    func makeBody(configuration: Configuration) -> some View {
+        HStack {
+            configuration
+                .icon
+                .frame(width: iconSize, height: iconSize)
+            configuration.title
+        }
+    }
+}