chore: refactor parameter parsing in ListIdentities and disallow combining filters #5104

Job	Run time
Generate SDKs	3m 42s
Run Playwright end-to-end tests (postgres)	9m 47s
Run Playwright end-to-end tests (cockroach)	7m 1s
Run Playwright end-to-end tests (sqlite)	6m 15s
Run Playwright end-to-end tests (mysql)	6m 48s
Run tests and lints	32m 51s
Run end-to-end tests (postgres)	43m 15s
Run end-to-end tests (cockroach)	45m 1s
Run end-to-end tests (sqlite)	44m 2s
Run end-to-end tests (mysql)	44m 0s
Build CLI docs	1m 24s
Generate changelog	0s
Generate release	0s
Render version schema	0s
Release SDKs	0s
Draft newsletter	0s
Send newsletter	0s
Pending approval Slack notification	0s
	4h 4m 6s

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