With this commit we support adding FieldDependencies on custom widget, consider FieldDependencies given on custom widget and add it to fieldInfo so that when modal does calls to server to fetch data it consider those fields while reading this will let us to design custom widget which may have some other fields in dependency, say for example weekly recurrence widget which uses sun, mon etc. fields, so with this we can fetch data of those dependent fields without adding it to view. task-2335399 closes odoo/odoo#60277 Related: odoo/upgrade#2021 Signed-off-by: Yannick Tivisse (yti) <yti@odoo.com> Co-authored-by: Mohammed Shekha <msh@odoo.com>