Pass viewer context always non-mutable #6271

Job	Run time
cpp-paths-filter	5s
Checks / Check if running codegen would produce any changes	2m 47s
Checks / Python lints (ruff, mypy, …)	5m 8s
Checks / Test Python Docs	23s
Checks / Check Rust web build (wasm32 + wasm-bindgen)	3m 55s
Checks / Rust lints (fmt, check, cranky, tests, doc)	11m 21s
Checks / Lint TOML files	26s
Checks / Rerun lints	2m 21s
Checks / Spell Check	5s
Checks / Cargo Deny	2m 22s
Checks / C++ formatting check	3m 11s
Checks / Misc formatting	25s
Build JS / Build	6m 28s
Build & Upload rerun_c (Linux x64) / Set Config (linux)	2s
Minimum Wheel Build / Set Config (linux)	2s
Build & Upload rerun-cli (Linux x64) / Set Config (linux)	3s
Build Web / Build Web (wasm32 + wasm-bindgen)	5m 59s
Update PR Body / Update PR body	1m 59s
C++ tests / matrix_prep	5s
Build & Upload rerun-cli (Linux x64) / Build rerun-cli (ubuntu-latest-16-cores)	6m 26s
C++ tests / C++ build & test - Linux x64	2m 23s
Build & Upload rerun_c (Linux x64) / Build rerun_c (ubuntu-latest-16-cores)	2m 28s
Minimum Wheel Build / Build Wheels (ubuntu-latest-16-cores)	4m 6s
Bundle and upload rerun_cpp_sdk.zip / Bundle and upload rerun_cpp_sdk.zip	8m 5s
Minimum Wheel Test / Set Config (linux)	2s
Build Examples / Build Examples	5m 54s
Run Notebook / Run notebook	2m 29s
Minimum Wheel Test / Test Wheels (ubuntu-latest-16-cores)	11m 35s
Upload Web / Upload web build to google cloud (wasm32 + wasm-bindgen)	16s
Save PR Summary / Create HTML summary for PR	27s
Track Sizes / Track Sizes	43s
Upload Examples / Upload Examples to Google Cloud	21s
	1h 32m 22s

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