💫 Update: RNIModalView

Related:
* `TODO:2023-03-31-18-33-34` - Unify/streamline/consolidate logic for invoking modal focus/blur.
* `TODO:2023-04-06-02-13-24` - Update `RNIModalView` to use `RNIViewControllerLifeCycleNotifiable`.

Summary: WIP - Update `RNIModalView` to conform to `RNIViewControllerLifeCycleNotifiable`, and add placeholder/"no-op" methods.

ios/src_library/React Native/RNIModalView/RNIModalView.swift

@@ -338,7 +338,9 @@ class RNIModalView: UIView, RNIIdentifiable, RNIModalFocusNotifying,
 
     self.modalVC = {
       let vc = RNIModalViewController();
+
       vc.modalViewRef = self;
+      vc.lifecycleDelegate = self;
 
       vc.isBGBlurred     = self.isModalBGBlurred;
       vc.isBGTransparent = self.isModalBGTransparent;
@@ -751,6 +753,25 @@ extension RNIModalView: RNIModalRequestable {
   };
 };
 
+extension RNIModalView: RNIViewControllerLifeCycleNotifiable {
+
+  func viewWillAppear(sender: UIViewController, animated: Bool) {
+    guard sender.isBeingPresented else { return };
+  };
+
+  func viewDidAppear(sender: UIViewController, animated: Bool) {
+    guard sender.isBeingPresented else { return };
+  };
+
+  func viewWillDisappear(sender: UIViewController, animated: Bool) {
+    guard sender.isBeingDismissed else { return };
+  };
+
+  func viewDidDisappear(sender: UIViewController, animated: Bool) {
+    guard sender.isBeingDismissed else { return };
+  };
+};
+
 
 // MARK: Extension: RNIModalFocusNotifiable
 // ----------------------------------------