Thanks for support!
Unfortunately, with file names everything is incorrectly implemented. My opinion.
Example. How to do:
User uploads a image with the name: bad.jpg
The name is automatically overwritten by 1567888_243.jpg or something like that.
The ability to change names from the toolbar is cool, but not necessary. Automatic change of names when adding a file would be much more convenient.
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The user will add a picture with the name f * ck.img and it will be indexed until the moderator notices this.
In addition, f * ck will be added to alt and title. This is very bad. Google will put on the site filter 18+
Do not take alt and title from the title of the image. This is bad for seo. It is better to take the name for pictures from the title of the topic, probably, as it is implemented in many other forums.