UI Layout Broken for RTL Language After Latest Update

Bug
1

The image shows a Slack interface with thread categories, such as "My Threads," "General," and "DMS," and a dropdown menu labeled "Default." (Captioned by AI)
The image shows a Slack interface with thread categories, such as "My Threads," "General," and "DMS," and a dropdown menu labeled "Default." (Captioned by AI)462×337 9.66 KB

This image shows a discussion in Arabic between two users, with one asking about book designs and the other providing advice on using third-party software for designing book covers in Microsoft Word. (Captioned by AI)
This image shows a discussion in Arabic between two users, with one asking about book designs and the other providing advice on using third-party software for designing book covers in Microsoft Word. (Captioned by AI)1826×746 146 KB

The image is a screenshot of a digital chat platform featuring a conversation in Arabic language moderated by a user named "내말씨" (Chat Moderator) and includes instructions for helping prevent hoax information from spreading, as organized by "Staff" with various emojis and icons present. (Captioned by AI)
The image is a screenshot of a digital chat platform featuring a conversation in Arabic language moderated by a user named "내말씨" (Chat Moderator) and includes instructions for helping prevent hoax information from spreading, as organized by "Staff" with various emojis and icons present. (Captioned by AI)1826×746 63.3 KB

I am experiencing a critical UI layout issue with my Discourse instance after updating to the latest version today.

When the user interface language is set to Persian (RTL), the entire layout appears broken and scrambled. Various UI components are overlapping, misaligned, and generally rendered incorrectly. I have attached a screenshot to illustrate the problem clearly.

However, when I switch the user interface language to English, the layout renders perfectly with no issues whatsoever. This strongly suggests the problem is specific to the Persian language localization or its interaction with the updated Discourse core.

I have already attempted basic troubleshooting steps such as clearing browser cache and testing on different browsers, but the issue persists consistently when Persian is selected.

Could you please investigate this matter?
Thank you."

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