Stellar AI button in lab

[minkyeongshin]

What problem does your feature solve?

button covers the content

What would you like to see?

What alternatives are there?

[jeesunikim]

I asked how to update this icon on https://stellarfoundation.slack.com/archives/C08K8CM0UVA/p1768346609547739

[minkyeongshin]

This is the final design for the Stellar AI icon update.

[minkyeongshin]

Created a separate ticket for chatbot interaction cc @janewang
#1826

[jeesunikim]

@minkyeongshin it should say Stella not Stellar