Handle 40 char tokens in SCIM token copy modal

[david-crespo]

I put the SCIM token UI on dogfood and immediately noticed that the hex part of the token is 40 chars, not 20, because it's generated from 20 random bytes and each byte is two hex chars. This means we either have an ellipsis cut it off or let it go wide. I don't really like cutting it off, so I chose to go width="free" on the modal and cut down the length of the warning so it doesn't inflate the width further.

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Project	Deployment	Preview	Updated (UTC)
console	Ready	Preview	Oct 29, 2025 3:30pm

[benjaminleonard]

"free" made me uncomfortable because if we add more text to the message the modal will become too wide — I tried adding a wider modal variant but you need to give it extra space since the actual token width varies because it is not a mono font.

I settled on just adding a max width to the message content container.