test(browser): add comprehensive sidebar navigation tests #56

Job	Run time
Unit Tests (3.11)	21s
Unit Tests (3.12)	33s
Integration Tests (3.11)	1m 1s
Integration Tests (3.12)	1m 0s
End-to-End Tests (3.11)	39s
Browser Tests (Chrome)	3m 3s
Browser Tests (Firefox & WebKit)	24m 23s
Code Analysis	41s
Performance Benchmarks	1m 0s
Generate Dashboard	47s
	33m 28s

Navigation Menu