fix(instrument-ui): raise Disabled-cue contrast, fix stale 1.2 MASTER row, close hover/focus minors

src/shell/instrument/editor_paint_chrome.cpp

@@ -230,9 +230,11 @@ void ReaSamplerEditor::paintChrome(LICE_IBitmap* bmp, const FaceLayout& fl, bool
             // its own mark, not just a slightly-quieter fill, so it draws the one outline this
             // control ever gets. See PLAN.md's Off-vs-Disabled ruling: Off is live and
             // clickable, Disabled is not, and the two must not read as the same thing.
+            // Outlined in text/dim rather than line/hairline: hairline over this fill composites
+            // to ~1.36:1, under the 3:1 state-indicator floor; text/dim clears it at ~5:1.
             if (disabled) {
                 LICE_DrawRect(bmp, r.x, r.y, r.width - 1, r.height - 1,
-                              toLice(roleColor(Role::LineHairline)), 1.0f, 0);
+                              toLice(roleColor(Role::TextDim)), 1.0f, 0);
             }
             kitTextCentered(bmp, r, label, kToolbarFont,
                             active && !disabled ? Role::BgBase