[FIX] Avoid same-label warning in case project.project becomes kanban
[FIX] Avoid same-label warning in case project.project becomes kanban

(Two fields (kanban_color, color) of project.project() have the same label: Color Index.)

YannickB/server-tools,OCA/server-tools,OCA/server-tools,YannickB/server-tools,OCA/server-tools,YannickB/server-tools