LLS Sheet implementation (#5420)

* Add LiveLocationSheet and refactor existing views to share code

* Implement logic for highlighting a specific LLS from a user once selected in the sheet

* Updated tests, project and added new previews for the LLS sheet.

# Conflicts:
#	PreviewTests/Sources/__Snapshots__/PreviewTests/liveLocationRoomTimelineView.Bubbles-iPad-pseudo.png
#	PreviewTests/Sources/__Snapshots__/PreviewTests/liveLocationRoomTimelineView.Bubbles-iPhone-pseudo.png

* add Equatable conformance to CLLocationCoordinate2D

ElementX/Sources/Other/Extensions/CLLocationCoordinate2D.swift

@@ -0,0 +1,14 @@
+//
+// Copyright 2026 Element Creations Ltd.
+//
+// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+// Please see LICENSE files in the repository root for full details.
+//
+
+import CoreLocation
+
+extension CLLocationCoordinate2D: @retroactive Equatable {
+    public static func == (lhs: Self, rhs: Self) -> Bool {
+        lhs.latitude == rhs.latitude && lhs.longitude == rhs.longitude
+    }
+}

ElementX/Sources/Other/MapLibre/MapLibreMapView.swift

@@ -73,6 +73,13 @@ struct MapLibreMapView: UIViewRepresentable {
             mapView.styleURL = dynamicMapURL
         }
         
+        // If the center coordinate was updated externally (not by the map itself), move the map.
+        if let newCenter = mapCenterCoordinate,
+           newCenter != context.coordinator.lastReportedCenter {
+            context.coordinator.lastReportedCenter = newCenter
+            mapView.setCenter(newCenter, animated: true)
+        }
+        
         // Update existing annotation views with fresh SwiftUI content.
         // This handles the case where the annotation's view data changes after
         // the annotation was initially placed (e.g. user avatar loads asynchronously).
@@ -169,6 +176,9 @@ extension MapLibreMapView {
         var mapLibreView: MapLibreMapView
         
         private var previousUserLocation: MLNUserLocation?
+        /// Tracks the last center coordinate reported by the map (or set programmatically),
+        /// so that `updateUIView` can tell apart external binding changes from internal ones.
+        var lastReportedCenter: CLLocationCoordinate2D?
 
         // MARK: - Setup
 
@@ -220,8 +230,10 @@ extension MapLibreMapView {
         
         func mapView(_ mapView: MLNMapView, regionDidChangeAnimated animated: Bool) {
             // Avoid `Publishing changes from within view update` warnings
-            DispatchQueue.main.async { [mapLibreView] in
-                mapLibreView.mapCenterCoordinate = mapView.centerCoordinate
+            DispatchQueue.main.async { [mapLibreView, weak self] in
+                let center = mapView.centerCoordinate
+                self?.lastReportedCenter = center
+                mapLibreView.mapCenterCoordinate = center
             }
         }
 

ElementX/Sources/Other/SwiftUI/Views/StopButton.swift

@@ -0,0 +1,23 @@
+//
+// Copyright 2026 Element Creations Ltd.
+//
+// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+// Please see LICENSE files in the repository root for full details.
+//
+
+import Compound
+import SwiftUI
+
+struct StopButton: View {
+    let stopAction: () -> Void
+    
+    var body: some View {
+        Button { stopAction() } label: {
+            CompoundIcon(\.stop, size: .small, relativeTo: .compound.bodySMSemibold)
+                .foregroundStyle(.compound.iconOnSolidPrimary)
+                .padding(8)
+                .background(Color.compound.bgCriticalPrimary, in: Circle())
+                .accessibilityLabel(L10n.actionStop)
+        }
+    }
+}

ElementX/Sources/Other/TestablePreview/TestablePreviewsDictionary.swift

@@ -85,6 +85,7 @@ enum TestablePreviewsDictionary {
         "LinkNewDeviceScreen_Previews" : LinkNewDeviceScreen_Previews.self,
         "LiveLocationRoomTimelineView_Previews" : LiveLocationRoomTimelineView_Previews.self,
         "LiveLocationSharingBannerView_Previews" : LiveLocationSharingBannerView_Previews.self,
+        "LiveLocationSheet_Previews" : LiveLocationSheet_Previews.self,
         "LoadableImage_Previews" : LoadableImage_Previews.self,
         "LocationMarkerView_Previews" : LocationMarkerView_Previews.self,
         "LocationPickerSheet_Previews" : LocationPickerSheet_Previews.self,
@@ -214,6 +215,7 @@ enum TestablePreviewsDictionary {
         "UserDetailsEditScreen_Previews" : UserDetailsEditScreen_Previews.self,
         "UserIndicatorModalView_Previews" : UserIndicatorModalView_Previews.self,
         "UserIndicatorToastView_Previews" : UserIndicatorToastView_Previews.self,
+        "UserLocationCell_Previews" : UserLocationCell_Previews.self,
         "UserProfileCell_Previews" : UserProfileCell_Previews.self,
         "UserProfileScreen_Previews" : UserProfileScreen_Previews.self,
         "VerificationBadge_Previews" : VerificationBadge_Previews.self,