Fix some crash when scroll view removed (1.16-1.21)
Fix crash when some mod installed (1.16-1.21)
Fix local file db migrate issue (1.16-1.21)
NOTE: 1.16.5 requires java 16 now.
Fix can't upload skin into global skin library when username changed (1.16-1.21)
Fix global skin library max file version issue (1.16-1.21)
Fix crash when rei mod installed (1.16-1.21)
NOTE: 1.16.5 requires java 16 now.
