More UI tweaks and fixes (#697)

* Integrations to window

* Cleanup of presenting.

* Older name for copy

* For copyable view too

Sources/Secretive/Views/Modifiers/BoxBackgroundStyle.swift

@@ -0,0 +1,32 @@
+import SwiftUI
+
+struct BoxBackgroundModifier: ViewModifier {
+
+    let color: Color
+
+    func body(content: Content) -> some View {
+        content
+            .background {
+                RoundedRectangle(cornerRadius: 5)
+                    .fill(color.opacity(0.3))
+                    .stroke(color, lineWidth: 1)
+            }
+    }
+}
+
+extension View {
+
+    func boxBackground(color: Color) -> some View {
+        modifier(BoxBackgroundModifier(color: color))
+    }
+
+}
+
+#Preview {
+    Text("Hello")
+        .boxBackground(color: .red)
+        .padding()
+    Text("Hello")
+        .boxBackground(color: .orange)
+        .padding()
+}