The error shown when creating a model with a duplicate name has been rewritten to be clearer. Users will now understand that each model needs a unique name, reducing confusion when correcting the issue.

Purpose
Make the unique model name constraint clearer by specifying name of the model needs to be unique.

Specification
-Update the constraint error message to the following 'Each model must have a unique name.'

Task-2254964

Description of the issue/feature this PR addresses:

Current behavior before PR:

Desired behavior after PR is merged:




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This update improves internal test reliability by reducing shared accounting test dependencies across accounting, payments, membership, repair, product margin, and purchasing stock tests. It ensures test companies use the correct chart-of-accounts currency and helps localization test runs avoid failures caused by incomplete or inconsistent accounting setup.

This update adjusts a CRM field label so it uses more generic wording consistent with the rest of Odoo. It helps users see clearer, more familiar terminology when working with CRM lead-to-opportunity actions.

In this commit, we are making Improving field's string to make it Generic like all other places in Odoo.

Description of the issue/feature this PR addresses:

Current behavior before PR:

Desired behavior after PR is merged:




--
I confirm I have signed the CLA and read the PR guidelines at www.odoo.com/submit-pr

This update improves the internal accounting test setup across several finance-related modules by replacing a shared test dependency that caused localization builds to fail. It helps ensure tests run in a more realistic, isolated environment for currencies, companies, users, and chart of accounts configuration.