Fix quick pick message size

[alexr00]

Fixes #73345

[alexr00]

Stable on the left, running from source on the right:

[alexr00]

Warning message:

[chrmarti]

The second horizontal red line should align with the OK button vertically (like the first horizontal red line). The warning message looks like it's not well centered vertically, is it different from the input box's text?

[alexr00]

Without red border:

With red border:

I drew a line and made sure they line up now :)