Fix #4523 insert as new row submit type on multiple selected records does not set all AUTO_INCREMENTs to 0 value

Signed-off-by: Hugues Peccatte <hugues.peccatte@gmail.com>
Code style improvements.

Signed-off-by: Hugues Peccatte <hugues.peccatte@gmail.com>
Merge pull request #1357 from Tithugues/b4523_q42

Fix #4523: tbl_change.js: insert as new row submit type on multiple selected records does not set all AUTO_INCREMENTs to 0 value