uplift(beta): fix(account-settings): colour picker crashing by 'infinity maximum height constraints' (#11201)

[rafaeltonholo]

Uplifts #11201 to beta

[thunderbird-botmobile]

Thank you for your uplift request! Please add a comment with the following approval request template filled out.

[Approval Request]
Original Issue/Pull request: #11200/#11201
Regression caused by (issue #): #11044
User impact if declined: Users won't be able to change the account's colour in the Account Settings
Testing completed (on daily, beta, etc.): debug
Introduces or modifies localizable strings (yes/no): no
Skips a database migration (yes/no): no
Risk to taking this patch (and alternatives if risky): small fix, no risks foreseen.

[wmontwe]

LGTM