feat: add find keyboard shortcut

Memola/Components/ViewModifiers/OnDismissSearchViewModifier.swift

@@ -0,0 +1,29 @@
+//
+//  OnDismissSearchViewModifier.swift
+//  Memola
+//
+//  Created by Dscyre Scotti on 7/14/24.
+//
+
+import SwiftUI
+
+private struct OnDismissSearchViewModifier: ViewModifier {
+    @Environment(\.dismissSearch) var dismissSearch
+
+    @Binding var isActive: Bool
+
+    func body(content: Content) -> some View {
+        content
+            .onChange(of: isActive) { oldValue, newValue in
+                if !newValue {
+                    dismissSearch()
+                }
+            }
+    }
+}
+
+extension View {
+    func onDismissSearch(isActive: Binding<Bool>) -> some View {
+        modifier(OnDismissSearchViewModifier(isActive: isActive))
+    }
+}