area/ui: Add levels of profiling and group by labels dropdown

[yomete]

This PR adds a new dropdown component LevelsDropdownSelect to now reflect "levels of profiiling" i.e. "Function", "Binary", "Code" (filename+line number) and "Address".

This PR also introduces a GroupByLabelsDropdown component that allows selecting labels to group by.

[alwaysmeticulous]

✅ Meticulous spotted visual differences in 513 of 627 screens tested, but all differences have already been approved: view differences detected.

Meticulous evaluated ~4 hours of user flows against your PR.

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