Add isolated views to EventLoop, Promise, and Future #1103

Job	Run time
Construct integration test matrix	2s
Vsock tests	3m 13s
Benchmarks / Construct Benchmarks matrix	3s
Cxx interop / Construct Cxx interop matrix	5s
Unit tests / Construct unit test matrix	5s
Soundness / API breakage check	2m 0s
Soundness / Documentation check	2m 9s
Soundness / Broken symlinks check	3s
Soundness / License headers check	9s
Soundness / Unacceptable language check	3s
Soundness / Python lint check	7s
Soundness / Format check	48s
Soundness / Shell check	44s
Soundness / YAML lint check	4s
Integration tests / Linux (5.9)	15m 42s
Integration tests / Linux (5.10)	14m 9s
Integration tests / Linux (6.0)	16m 12s
Integration tests / Linux (nightly-6.0)	16m 30s
Integration tests / Linux (nightly-main)	16m 50s
Benchmarks / Benchmarks / Linux (5.9)	5m 26s
Benchmarks / Benchmarks / Linux (5.10)	5m 7s
Benchmarks / Benchmarks / Linux (6.0)	5m 21s
Benchmarks / Benchmarks / Linux (nightly-6.0)	6m 23s
Benchmarks / Benchmarks / Linux (nightly-main)	4m 51s
Unit tests / Unit tests / Linux (5.9)	3m 44s
Unit tests / Unit tests / Linux (5.10)	3m 49s
Unit tests / Unit tests / Linux (6.0)	4m 11s
Unit tests / Unit tests / Linux (nightly-6.0)	4m 42s
Unit tests / Unit tests / Linux (nightly-main)	4m 38s
Cxx interop / Cxx interop / Linux (5.9)	1m 17s
Cxx interop / Cxx interop / Linux (5.10)	1m 18s
Cxx interop / Cxx interop / Linux (6.0)	1m 36s
Cxx interop / Cxx interop / Linux (nightly-6.0)	1m 38s
Cxx interop / Cxx interop / Linux (nightly-main)	1m 38s
	2h 24m 37s

Provide feedback