Promote gallery messages to labs

ElementX/Sources/Screens/LabsScreen/LabsScreenModels.swift

@@ -36,6 +36,7 @@ struct LabsScreenViewStateBindings {
 
 protocol LabsOptionsProtocol: AnyObject {
     var threadsEnabled: Bool { get set }
+    var galleryEnabled: Bool { get set }
 }
 
 extension AppSettings: LabsOptionsProtocol { }

ElementX/Sources/Screens/LabsScreen/View/LabsScreen.swift

@@ -16,6 +16,7 @@ struct LabsScreen: View {
         Form {
             header
             threadsSection
+            gallerySection
         }
         .compoundList()
         .navigationTitle(L10n.screenLabsTitle)
@@ -59,6 +60,17 @@ struct LabsScreen: View {
             context.send(viewAction: .clearCache)
         }
     }
+    
+    private var gallerySection: some View {
+        Section {
+            ListRow(label: .default(title: L10n.screenLabsEnableGallery,
+                                    icon: \.image),
+                    kind: .toggle($context.galleryEnabled))
+        } footer: {
+            Text(L10n.screenLabsEnableGalleryDescription)
+                .compoundListSectionFooter()
+        }
+    }
 }
 
 // MARK: - Previews