Add support for undo in the viewer #13757

Job	Run time
cpp-paths-filter	4s
docs-paths-filter	4s
python-paths-filter	5s
rust-paths-filter	5s
web-paths-filter	4s
Checks / Rerun lints	28s
Checks / Check if running codegen would produce any changes	1m 8s
Checks / Lint markdown	16s
Checks / Spell Check	9s
Checks / Check links	24s
Checks / Misc formatting	17s
Update PR Body / Update PR body	23s
C++ tests	0s
Deploy Landing Preview	0s
Python Checks	0s
Build web viewer / Build web viewer	2m 19s
Build rerun_js / Build rerun_js	3m 53s
Minimum CLI Build / Set Config (linux-x64)	3s
Rust Checks / Rust lints (fmt, check, clippy, tests, doc)	4m 17s
Rust Checks / Test on macOS and Windows	0s
Minimum CLI Build / Build rerun-cli (ubuntu-latest-16-cores)	4m 43s
Upload Web / Upload web build to google cloud (wasm32 + wasm-bindgen)	9s
Save PR Summary / Create HTML summary for PR	33s
Minimum Wheel Build / Set Config (linux-x64)	3s
Minimum Wheel Build / Build Wheels (ubuntu-latest-16-cores)	1m 49s
Minimum Wheel Test / Set Config (linux-x64)	2s
Minimum Wheel Test / Test Wheels (ubuntu-latest-16-cores)	4m 6s
	25m 24s

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