fixed got wrong Rect by LabelTTF::getBoundingBox / LabelBMFont::getBoundingBox.
Merge pull request #6044 from Dhilan007/develop_label

fixed getting wrong Rect by LabelTTF(LabelBMFont)::getBoundingBox.
Update CHANGELOG [ci skip]
Replace `LabelTTF` and `LabelBMFont` with `Label` for cocosbuild proxy and fix the error that  ControlSwitch:create raised.