fix: refact some example files

fix: fix invalid retrieved buffer page causing crash

fix: udfd pipe close before send response

fix: remove unused param

refactor: do multiple refactor and improve some query perf.

enh: shielding database option 'strict'

refact: post sem in mnode while sync timeout

fix: fix error in getting pageIdList from group page hash map

ci:add some test for stream

fix: set compressMsg range

fix: should not check dnode status in follower