Fix bug: joint point can be cover by resize points
Fix bug: joint point can be cover by resize points

AlloyTeam/AlloyAnimation,AlloyTeam/AlloyAnimation,kerryChen95/boneAnimationEditor,AlloyTeamDev/AlloyAnimation,AlloyTeamDev/AlloyAnimation,kerryChen95/boneAnimationEditor,AlloyTeamDev/AlloyAnimation,kerryChen95/boneAnimationEditor,AlloyTeam/AlloyAnimation