Currently, the field `analytic_distribution` does not appear in
the filters, while it should (to be able to filter `account_move_line`
for example).
We added Json to the filterable fields. If not overriden, it will
search on it like a String.
We also have to add a non-stored field to be able to define a search
function for `analytic_distribution`, to be able to search based
on the keys of the json.
closesodoo/odoo#121223
X-original-commit: 3d3e6847230d5cc9cd61a9bf83bef403a5b4b3ec
Signed-off-by: William André (wan) <wan@odoo.com>