Filter entities in the UI (part 1): Introduce a filter widget #15968

Job	Run time
paths-filter	6s
Checks / Check if running codegen would produce any changes	57s
Checks / Lint markdown	17s
Checks / Rerun lints	35s
Checks / Spell Check	5s
Checks / Misc formatting	16s
Checks / markdown-paths-filter	5s
Checks / Check links	0s
C++ tests	0s
Python Checks	0s
Deploy Landing Preview	0s
Minimum CLI Build / Set Config (linux-x64)	1s
Rust Checks / Rust lints (fmt, check, clippy, tests, doc)	2m 57s
Build rerun_js / Build rerun_js	2m 41s
Rust Checks / Test on ${{ matrix.name }}	0s
Build web viewer / Build web viewer	1m 49s
Minimum CLI Build / Build rerun-cli (ubuntu-latest-16-cores)	2m 40s
Upload Web	0s
Minimum Wheel Build	0s
Minimum Wheel Test	0s
	12m 29s

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