feat(frontend): FE UI cleanup (#3634) #5649

Job	Run time
Build docker image	6m 27s
Agent unit tests	1m 31s
config-e2e	1s
CLI unit tests	1m 33s
API Server unit tests	3m 25s
WebUI unit tests	1m 58s
Tracetesting API Server (NATS)	4m 7s
Tracetesting API Server (InMemory)	4m 6s
CLI smoke tests (local)	45s
Test examples (collector)	48s
CLI smoke tests (docker)	1m 4s
Test examples (tracetest-jaeger)	41s
WebUI End-to-end tests (1)	2m 58s
Test examples (tracetest-opensearch)	7m 49s
CLI e2e tests (8, 0)	2m 22s
Test examples (tracetest-tempo)	43s
WebUI End-to-end tests (2)	3m 3s
CLI e2e tests (8, 1)	2m 17s
Test examples (tracetest-provisioning-env)	48s
WebUI End-to-end tests (3)	2m 57s
CLI e2e tests (8, 2)	2m 18s
WebUI End-to-end tests (4)	3m 3s
CLI e2e tests (8, 3)	2m 32s
Test examples (tracetest-signoz)	2m 11s
CLI e2e tests (8, 4)	2m 20s
WebUI End-to-end tests (5)	3m 57s
CLI e2e tests (8, 5)	2m 10s
WebUI End-to-end tests (6)	3m 6s
CLI e2e tests (8, 6)	4m 18s
WebUI End-to-end tests (7)	2m 57s
CLI e2e tests (8, 7)	5m 35s
WebUI End-to-end tests (8)	2m 51s
	1h 26m 41s

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