fix(dashboard): trip meter button reads "Reset", not "Reset trip meter"

The screen is already titled "Trip meter", so the button phrase was redundant.
Reuse the existing localized action_reset ("Reset"). The confirm dialog keeps
the full "Reset trip meter" title and the danger copy.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GADLyChheAoMX9dQbRgRnH

Author: eried

app/src/main/java/com/eried/eucplanet/ui/dashboard/TripMeterDetailScreen.kt

@@ -256,7 +256,10 @@ fun TripMeterDetailScreen(
                             tint = accent
                         )
                         Text(
-                            stringResource(R.string.trip_meter_reset),
+                            // Screen is already titled "Trip meter", so the button
+                            // just reads "Reset" (the confirm dialog carries the full
+                            // "Reset trip meter" title + the danger copy).
+                            stringResource(R.string.action_reset),
                             color = accent,
                             fontWeight = FontWeight.Medium,
                             fontSize = 13.sp,