Fix scrambled screen when searchinfg (#2191)

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

ElementX/Sources/Screens/MessageForwardingScreen/View/MessageForwardingScreen.swift

@@ -28,13 +28,15 @@ struct MessageForwardingScreen: View {
                 }
                 // Replace these with ScrollView's `scrollPosition` when dropping iOS 16.
             } header: {
-                Rectangle().hidden().onAppear {
-                    context.send(viewAction: .reachedTop)
-                }
+                emptyRectangle
+                    .onAppear {
+                        context.send(viewAction: .reachedTop)
+                    }
             } footer: {
-                Rectangle().hidden().onAppear {
-                    context.send(viewAction: .reachedBottom)
-                }
+                emptyRectangle
+                    .onAppear {
+                        context.send(viewAction: .reachedBottom)
+                    }
             }
             .compoundFormSection()
         }
@@ -59,6 +61,12 @@ struct MessageForwardingScreen: View {
         .compoundSearchField()
         .disableAutocorrection(true)
     }
+    
+    /// The greedy size of Rectangle can create an issue with the navigation bar when the search is highlighted, so is best to use a fixed frame instead of hidden() or EmptyView()
+    private var emptyRectangle: some View {
+        Rectangle()
+            .frame(width: 0, height: 0)
+    }
 }
 
 private struct MessageForwardingRoomCell: View {