With the creation on the insights page on #83774,
create the details page for the insight. Still focused on transaction high time only, but preparing to allow several types on insights on the table

Figma: https://www.figma.com/file/xpnRkP9cLXERVceRC4cec4/22.2_SQL-obsrv_query-performance?node-id=1086%3A72736

https://www.loom.com/share/daee54ca31644ba4b9b64784c0228b8e?t=135

Jira issue: CRDB-17254