feat(ui): unify picker controls and surface iconography #6025

Job	Run time
Build Impact	21s
Shell Deploy Scripts	17s
Frontend Build	8m 28s
CLI Tests (macos-15)	9m 25s
Rust Build Check (ubuntu-latest)	13m 18s
Rust Build Check (macos-15)	19m 19s
CLI Tests (windows-latest)	11m 43s
CLI Tests (ubuntu-latest)	9m 18s
Rust Build Check (windows-latest)	26m 37s
Impact-selected Linux / Relay Contract	0s
DSH Profile Packaging (windows-latest)	0s
Rust / CLI Validation	7s
	1h 38m 53s

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