Pay attention to sufficient contrast ration when applying account color to add button

import android.widget.RemoteViewsService;

import androidx.annotation.NonNull;

import androidx.core.content.ContextCompat;

import java.util.ArrayList;

import java.util.List;

import it.niedermann.android.util.ColorUtil;

import it.niedermann.owncloud.notes.R;

import it.niedermann.owncloud.notes.branding.BrandingUtil;

import it.niedermann.owncloud.notes.edit.EditNoteActivity;

import it.niedermann.owncloud.notes.persistence.NotesDatabase;

import it.niedermann.owncloud.notes.shared.model.Category;

import it.niedermann.owncloud.notes.shared.model.DBNote;

import it.niedermann.owncloud.notes.shared.model.LocalAccount;

import it.niedermann.owncloud.notes.shared.util.NotesColorUtil;

import static it.niedermann.owncloud.notes.edit.EditNoteActivity.PARAM_CATEGORY;

import static it.niedermann.owncloud.notes.widget.notelist.NoteListsWidgetData.MODE_DISPLAY_ALL;

            note_content.setOnClickFillInIntent(R.id.widget_note_list_entry, fillInIntent);

            note_content.setTextViewText(R.id.widget_entry_content_tv, getAddButtonText(context, data.getMode(), category));

            note_content.setImageViewResource(R.id.widget_entry_fav_icon, R.drawable.ic_add_blue_24dp);

            note_content.setInt(R.id.widget_entry_fav_icon, "setColorFilter", localAccount.getColor());

            note_content.setInt(R.id.widget_entry_fav_icon, "setColorFilter", NotesColorUtil.contrastRatioIsSufficient(ContextCompat.getColor(context, R.color.widget_background), localAccount.getColor())

                    ? localAccount.getColor()

                    : ContextCompat.getColor(context, R.color.widget_foreground));

        } else {

            position--;

            if (position > dbNotes.size() - 1 || dbNotes.get(position) == null) {