settings: fix crash when presenting image picker

When the text field is active, presenting the image picker
can cause a crash due to text focus resetting.
This patch reset focus before presenting picker.

Change-Id: Ie52302966a61f1cf69e88d0db688536e7160df57

Ring/Ring/Features/Settings/Me/EditProfileView.swift

@@ -41,6 +41,7 @@ struct EditProfileView: View {
         NavigationView {
             VStack(alignment: .center) {
                 Button(action: {
+                    hideKeyboard()
                     showingImagePicker = true
                 }, label: {
                     ZStack {