Add next gen HTML parser feature flag

ElementX/Sources/Application/Settings/AppSettings.swift

@@ -61,6 +61,7 @@ final class AppSettings {
         case threadsEnabled
         case spacesEnabled
         case developerOptionsEnabled
+        case nextGenHTMLParserEnabled
         
         // Doug's tweaks 🔧
         case hideUnreadMessagesBadge
@@ -345,7 +346,7 @@ final class AppSettings {
                                                                    darkStyleID: "dea61faf-292b-4774-9660-58fcef89a7f3")
     
     // MARK: - Presence
-
+    
     @UserPreference(key: UserDefaultsKeys.sharePresence, defaultValue: true, storageType: .userDefaults(store))
     var sharePresence
     
@@ -363,7 +364,7 @@ final class AppSettings {
     /// Configuration to enable only signed device isolation mode for  crypto. In this mode only devices signed by their owner will be considered in e2ee rooms.
     @UserPreference(key: UserDefaultsKeys.enableOnlySignedDeviceIsolationMode, defaultValue: false, storageType: .userDefaults(store))
     var enableOnlySignedDeviceIsolationMode
-
+    
     /// Configuration to enable encrypted history sharing on invite, and accepting keys from inviters.
     @UserPreference(key: UserDefaultsKeys.enableKeyShareOnInvite, defaultValue: false, storageType: .userDefaults(store))
     var enableKeyShareOnInvite
@@ -377,6 +378,9 @@ final class AppSettings {
     @UserPreference(key: UserDefaultsKeys.spacesEnabled, defaultValue: false, storageType: .userDefaults(store))
     var spacesEnabled
     
+    @UserPreference(key: UserDefaultsKeys.nextGenHTMLParserEnabled, defaultValue: isDevelopmentBuild, storageType: .userDefaults(store))
+    var nextGenHTMLParserEnabled
+    
     @UserPreference(key: UserDefaultsKeys.developerOptionsEnabled, defaultValue: isDevelopmentBuild, storageType: .userDefaults(store))
     var developerOptionsEnabled
 }

ElementX/Sources/Screens/Settings/DeveloperOptionsScreen/DeveloperOptionsScreenModels.swift

@@ -52,6 +52,8 @@ protocol DeveloperOptionsProtocol: AnyObject {
     var fuzzyRoomListSearchEnabled: Bool { get set }
     var lowPriorityFilterEnabled: Bool { get set }
     var knockingEnabled: Bool { get set }
+    
+    var nextGenHTMLParserEnabled: Bool { get set }
 }
 
 extension AppSettings: DeveloperOptionsProtocol { }

ElementX/Sources/Screens/Settings/DeveloperOptionsScreen/View/DeveloperOptionsScreen.swift

@@ -36,9 +36,14 @@ struct DeveloperOptionsScreen: View {
                 Toggle(isOn: $context.threadsEnabled) {
                     Text("Threads")
                 }
+
                 Toggle(isOn: $context.spacesEnabled) {
                     Text("Spaces")
                 }
+                
+                Toggle(isOn: $context.nextGenHTMLParserEnabled) {
+                    Text("Next gen HTML parsing")
+                }
             }
             
             Section("Room List") {