[FW][FIX] mail: thread names should be displayed in muted when muted #202947
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Description of the issue/feature this PR addresses:
The goals of the PR are multiple:
Current behavior before PR:
see above
Desired behavior after PR is merged:
The thread opacity is set to 50 whenever the thread is muted (by any of the two ways)
task-4607160
I confirm I have signed the CLA and read the PR guidelines at www.odoo.com/submit-pr
Forward-Port-Of: #202797
Forward-Port-Of: #200310