Fixed LabelAtlas opacity do not change when setting parent node's opacity
Merge pull request #8608 from Dhilan007/v3-fileutil-ios

issue #8568: Fixed FileUtils::removeFile doesn't work on iOS
[ci skip] Update CHANGELOG
Merge pull request #8573 from Dhilan007/v3-labelatlas

fix #8569: LabelAtlas opacity do not change when setting parent node's opacity