FF to enable filtering notifications by push rules (#1412)

* filtering notification by push rules

* changelog

* Apply suggestions from code review

Co-authored-by: Doug <6060466+pixlwave@users.noreply.github.com>

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Co-authored-by: Doug <6060466+pixlwave@users.noreply.github.com>

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

@@ -49,6 +49,7 @@ protocol DeveloperOptionsProtocol: AnyObject {
     var notificationSettingsEnabled: Bool { get set }
     var swiftUITimelineEnabled: Bool { get set }
     var pollsInTimelineEnabled: Bool { get set }
+    var filterNotificationsByPushRulesEnabled: Bool { get set }
 }
 
 extension AppSettings: DeveloperOptionsProtocol { }