Users can now mark messages as read directly from the messaging dropdown, reducing the need to open conversations just to clear notifications. Channel items are marked as seen, while inbox notifications can be cleared as read, making the message menu easier to manage.

Task:https://www.odoo.com/web#id=1817646&view_type=form&model=project.task&action=333&active_id=131&menu_id=4720
Pad:https://pad.odoo.com/p/r.f3a174c53fff7cee0a61f22f8f2ee672

           -- if it's channel then make it Mark as Seen
           -- if it's inbox notification then mark all message as read

[IMP]mail: improve the code

Description of the issue/feature this PR addresses:

Current behavior before PR:

Desired behavior after PR is merged:


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Odoo Discuss channels can now require moderation before incoming messages are shared with members. Moderators get dedicated tools, notifications, and reminders to approve, reject, allow, or ban senders, helping teams keep channel conversations controlled and appropriate.

Task: https://www.odoo.com/web#id=29521&view_type=form&model=project.task&action=333&active_id=965&menu_id=4720

Odoo can now create draft vendor bills automatically from emails sent to purchase journal aliases. This reduces manual data entry by attaching supplier emails to bills, identifying vendors when possible, and guiding users to configure aliases when no bills exist.

Task: https://www.odoo.com/web#id=37703&view_type=form&model=project.task&action=333&active_id=131&menu_id=4720

PAD: https://pad.odoo.com/p/r.8c6b85bec5c462ec32cd56ca724bae88

Adds richer demo records across CRM, Events, HR, Expenses, Attendance, Recruitment, and Projects. This helps users and evaluators better understand common workflows such as sales follow-ups, event attendance, employee attendance, expense approvals, hiring pipelines, and project activities.

Description of the issue/feature this PR addresses:
task link - 
https://www.odoo.com/web#id=43001&view_type=form&model=project.task&action=327&menu_id=4720
Current behavior before PR:

Desired behavior after PR is merged:


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

This update adds sample data for coupons, promotions, helpdesk tickets, signing templates, and signature requests so teams can better demonstrate and test these apps. It also adjusts lead scoring demo data to avoid leaving leads unassigned, helping dashboards show expected information after installation.

task link
https://www.odoo.com/web#id=43001&view_type=form&model=project.task&action=327&menu_id=4720