[14.0][WIP] base_changeset_tier_validation: Compatibility

[victoralmau]

Locked by:

• [ ] base_changeset: https://github.com/OCA/server-tools/pull/2759
• [ ] base_changeset: https://github.com/OCA/server-tools/pull/2756
• [ ] base_changeset: https://github.com/OCA/server-tools/pull/2760
• [ ] base_changeset_tier_validation: https://github.com/OCA/server-tools/pull/2623

Extra changes to full compatibility with previous changes:

• [x] base_changeset: Skip one2many field rules from _prepare_extra_changes() method
• [x] base_changeset_tier_validation: Update translations
• [x] base_changeset: Prevent self_validation from extra changes rules
• [x] base_changeset + base_changeset_tier_validation: Misc changes
• [ ] base_changeset: Code refactoring of add_changeset() method (https://github.com/Tecnativa/server-tools/commit/0128618fceeb5108753a9eaf423376f7fc300779)
• [x] base_changeset_tier_validation: Fix restart_validation button
• [x] base_changeset + base_changeset_tier_validation: Compatibility to one2many, related + summary

@Tecnativa