Scenario:
- add doc_count field in project.project view
- create new project
Issue: error and can't create new project
> File "addons/project/models/project.py",
> line 190, in _compute_attached_docs_count
> psycopg2.errors.SyntaxError: syntax error at or near ")"
> LINE 6: AND res_id IN ()
Fix: only do the query if there is non-NewID IDs
opw-3584925
closesodoo/odoo#142074
X-original-commit: 4d9a5cedef9459f0e86f16631170f2dc965d0a3b
Signed-off-by: Nicolas Lempereur (nle) <nle@odoo.com>