Figma: https://www.figma.com/file/xdmwvnFQd6KkO9RJ0XLDH0/22.1_SQL-obsrv_query-performance?node-id=6152%3A136586

On the active transaction details page, update UI to show:

• blocked database, table, schema, index and row
• time spent waiting
• add table for transactions waiting for currently_viewed_txn shown txn
• add table for transactions that currently_viewed_txn is waiting for

On the active stmt details page, update UI to show:

• blocked table and row
• add table for statements that currently_viewed_stmt is waiting for

Jira issue: CRDB-14590