ios: don't autocorrect or capitalize the search fields, so the Search key searches what was typed

The keyboard replaced "cinews" with "Cinema" when the Search key submitted it, so the directory searched for the wrong text; names and links typed there are not words.

Run: 011-search-redesign, slice 3 (fix found by the simulator run)

apps/ios/Shared/Views/ChatList/ChatListView.swift

@@ -872,6 +872,8 @@ struct ChatListSearchBar: View {
                         .disabled(searchShowingSimplexLink)
                         .focused($searchFocussed)
                         .frame(maxWidth: .infinity)
+                        .autocorrectionDisabled(true)
+                        .textInputAutocapitalization(.never)
                         .submitLabel(.search)
                         .onSubmit(runDirectorySearch)
                     if connectProgressManager.showConnectProgress != nil {

apps/ios/Shared/Views/NewChat/NewChatMenuButton.swift

@@ -439,6 +439,8 @@ struct ContactsListSearchBar: View {
                     .disabled(searchShowingSimplexLink)
                     .focused($searchFocussed)
                     .frame(maxWidth: .infinity)
+                    .autocorrectionDisabled(true)
+                    .textInputAutocapitalization(.never)
                     .submitLabel(onSearch == nil ? .return : .search)
                     .onSubmit { onSearch?() }
                 if connectProgressManager.showConnectProgress != nil {