Fix AI Chat address bar pixel

[Bunn]

Task/Issue URL: https://app.asana.com/0/414235014887631/1208965876736143/f

Description:
Fire AI Chat address bar pixel
Fixes share button pixel

Steps to test this PR:
Set yourself as internal user

1. Do a search, tap on AI Chat address bar, check if we send the m_aichat_addressbar_icon pixel
2. Open a webpage, tap on share on the address bar, check if we send the m_addressbar_share pixel

[brindy]

LGTM!