[Feature] Custom field UI excessive character handling

[sleetx]

Custom fields that exceed a character limit should be automatically collapsed or truncated in the UI. And only fully visible when deliberately revealed by the user. A common way to do this is with clickable ellipsis “…”

Some plugins are being designed to hold very large data sets in individual custom fields that disrupt the performer page UI, pushing the performer's other fields and list of scenes very far down the page.

Relevant discord discussion: https://discord.com/channels/559159668438728723/742220889017417738/1384552641656520846

Example: