Even more space tweaks (#4588)

* Bring back the button to share a space on iOS 26.

* Remove the setting and disable the space tab on iOS 17.

(The tab bar is broken on iPadOS 17).

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

@@ -41,7 +41,6 @@ protocol DeveloperOptionsProtocol: AnyObject {
     
     var enableOnlySignedDeviceIsolationMode: Bool { get set }
     var enableKeyShareOnInvite: Bool { get set }
-    var spacesEnabled: Bool { get set }
     var hideQuietNotificationAlerts: Bool { get set }
     
     var hideUnreadMessagesBadge: Bool { get set }

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

@@ -33,10 +33,6 @@ struct DeveloperOptionsScreen: View {
             }
             
             Section("General") {
-                Toggle(isOn: $context.spacesEnabled) {
-                    Text("Spaces")
-                }
-                
                 Toggle(isOn: $context.nextGenHTMLParserEnabled) {
                     Text("Next gen HTML parsing")
                 }