[FIX][ENH] File Galleries: limit the length of the name field and add explanatory text
When you put a very long name when creating the File Gallery it generates an error. After checking, I understood that the name field could not contain up to 80 characters, a name of more than 80 characters directly generates an error. So I had to limit the length of the name field and add explanatory text to allow easy understanding by the user.
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Edited by luci