refactor: refactor catch clauses in emulator directory to use unknown #47806

Job	Run time
agent_evals_build (22)	2m 9s
unit (20)	6m 30s
unit (24)	5m 16s
unit (22)	5m 44s
check-package-lock-vsce (20)	17s
check-json-schema (20)	2m 3s
vscode_unit (24)	7m 30s
vscode_unit (20)	8m 33s
vscode_unit (22)	5m 12s
check-package-lock (20)	33s
lint	0s
integration-windows (20, npm run test:storage-deploy)	8m 6s
integration-windows (20, npm run test:triggers-end-to-end:inspect)	8m 43s
integration-windows (20, npm run test:emulator)	5m 4s
integration-windows (20, npm run test:functions-discover)	9m 59s
integration-windows (20, npm run test:client-integration)	3m 43s
integration-windows (20, npm run test:hosting)	8m 57s
integration (20, npm run test:emulator)	4m 1s
integration (20, npm run test:storage-deploy)	2m 59s
integration (20, npm run test:frameworks)	4m 58s
integration (20, npm run test:functions-discover)	4m 15s
integration (20, npm run test:hosting)	3m 30s
integration (20, npm run test:triggers-end-to-end:inspect)	3m 21s
integration (20, npm run test:triggers-end-to-end)	5m 43s
integration (20, npm run test:dataconnect-emulator)	2m 20s
integration (20, npm run test:import-export)	5m 6s
integration (20, npm run test:client-integration)	2m 35s
integration (20, npm run test:storage-emulator-integration)	5m 34s
integration (20, npm run test:extensions-emulator)	3m 46s
	2h 16m 27s

Provide feedback