move function behavior for scoping

MVMCoreUI/Behaviors/Protocols/PageBehaviorHandlerProtocol.swift

@@ -34,4 +34,9 @@ public extension PageBehaviorHandlerProtocol {
         }
         self.behaviors = behaviors.count > 0 ? behaviors : nil
     }
+    
+    /// Executes all behaviors of type.
+    public func executeBehaviors<T>(_ behaviorBlock: (_ behavior: T) -> Void) {
+        behaviors?.compactMap { $0 as? T }.forEach { behaviorBlock($0) }
+    }
 }