App 2.27.2: Terminal in the accent colour; Original as a colour choice

Retro and Terminal are one entry each; the accent colour drop-down
offers "Original" first for them, remembered per style. The old
"Retro (accent colour)" entry is folded in and its stored value
migrated. Emulator only.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LhzAVaUyqcw5PkGjz4mWW6

app/src/main/res/values/strings.xml

@@ -126,7 +126,6 @@
     <string name="overview_style_cockpit">Cockpit</string>
     <string name="overview_style_retro">Retro</string>
     <string name="overview_style_futuristic">Futuristic</string>
-    <string name="overview_style_retro_accent">Retro (accent colour)</string>
     <string name="overview_style_scifi">Sci-fi</string>
     <string name="overview_style_cartoon">Cartoon</string>
     <string name="overview_style_blueprint">Blueprint</string>
@@ -136,6 +135,7 @@
     <string name="overview_fullscreen_exit">Show the navigation again</string>
     <string name="overview_style_minimal">Minimal</string>
     <string name="overview_style_terminal">Terminal</string>
+    <string name="accent_original">Original</string>
     <string name="overview_style_aviation">Aviation</string>
     <string name="overview_style_nixie">Nixie tubes</string>
     <string name="overview_style_chronograph">Chronograph</string>