[FIX] Kanban drag'n drop wrong index
[FIX] Kanban drag'n drop wrong index

MarkusTeufelberger/openerp-web,MarkusTeufelberger/openerp-web,gisce/openerp-web,gisce/openerp-web,MarkusTeufelberger/openerp-web,splbio/openerp-web,splbio/openerp-web,gisce/openerp-web,splbio/openerp-web