[FIX] stock: disable auto-reserve with ir.config_parameter

Currently we always auto-reserve products for moves when other incoming
picking makes the product available. This is unwanted for some users.
In this commit, we allow to disable this by add a parameter to
ir.config_parameter. To disable it, set a parameter with name
"stock.picking_no_auto_reserve".

PR #66373

Signed-off-by: Arnold Moyaux <amoyaux@users.noreply.github.com>