Fix cursor color in PlaylistCreationDialog

Author: KalleStruik

app/src/main/java/org/schabi/newpipe/local/dialog/PlaylistCreationDialog.java

@@ -38,6 +38,7 @@ public Dialog onCreateDialog(@Nullable final Bundle savedInstanceState) {
 
         final DialogEditTextBinding dialogBinding
                 = DialogEditTextBinding.inflate(getLayoutInflater());
+        dialogBinding.getRoot().getContext().setTheme(ThemeHelper.getDialogTheme(requireContext()));
         dialogBinding.dialogEditText.setHint(R.string.name);
         dialogBinding.dialogEditText.setInputType(InputType.TYPE_CLASS_TEXT);