fix(ui): align menu spacing and restore intended text contrast #6284

Job	Run time
Shell Deploy Scripts	15s
Build Impact	15s
Rust Build Check (ubuntu-latest)	13m 16s
Rust Build Check (macos-15)	16m 8s
Rust Build Check (windows-latest)	27m 7s
Frontend Build	9m 38s
CLI Tests (windows-latest)	10m 27s
CLI Tests (macos-15)	9m 4s
CLI Tests (ubuntu-latest)	7m 32s
Impact-selected Linux / Relay Contract	-1s
DSH Profile Packaging (windows-latest)	-1s
Rust / CLI Validation	4s
	1h 33m 44s

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