Add better ways to visualise Trace aggregates

[pranay01]

Current trace filter page in SigNoz, shows individual spans on filtering. Many users have shared that individual traces may be too granular and there should be a way to show trace aggregate data before diving down deeper into individual traces

[request-info]

We would appreciate it if you could provide us with more info about this issue/pr!

[makeavish]

PRD issue: https://github.com/SigNoz/engineering-pod/issues/440