Steps to reproduce the bug:
- Let's consider a project P with a task T
- P has has two stages S1 and S2
- From T, create a new sub task ST1 with a new stage S3
- From T, create an other new sub task ST2 and try to select S3 as stage
Bug:
ST3 was not displayed in the available stages
Fix:
The stage ST3 is available for every task or sub task
opw:2873640
closesodoo/odoo#94487
X-original-commit: 5254407f5a593f37a1f21d43a725504c8dc0ab6d
Signed-off-by: Laurent Stukkens (ltu) <ltu@odoo.com>