feat: add permission consent prompts, drop permitted capability mask

scripts/copy_icons.sh

@@ -155,6 +155,10 @@ ICONS=(
     "status/symbolic/audio-volume-high-symbolic.svg"
     "apps/scalable/gnome-logout.svg"
     "apps/scalable/lock.svg"
+    # Consent prompt, one per capability (see montauk/consent.h). The clock,
+    # network and disk icons are already staged above.
+    "apps/scalable/preferences-desktop-display.svg"
+    "categories/scalable/utilities-log-viewer.svg"
     "apps/scalable/sleep.svg"
     "apps/scalable/kolourpaint.svg" # paint app
     "panel/sensors-temperature-symbolic.svg" # temperature panel icon