fix compiling error caused by enable CC_LABELBMFONT_DEBUG_DRAW/CC_LABELATLAS_DEBUG_DRAW
Merge pull request #9230 from volzhs/v3

Unnecessary set dirty of ui widget
Merge pull request #9216 from Dhilan007/v3-debugfix

fix compiling error caused by enable CC_LABELBMFONT_DEBUG_DRAW/CC_LABELATLAS_DEBUG_DRAW