fix(android): correct Lucide icon name CircleCheckBig (#38 slice 2)

The composables lucide artifact names the property CircleCheckBig
(camelCase), not the snake-case filename — the prior import did not
resolve and broke compileDebugKotlin.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

android/app/src/main/java/com/fabledsword/minstrel/shared/widgets/CachedDot.kt

@@ -7,7 +7,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.staticCompositionLocalOf
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
-import com.composables.icons.lucide.Circle_check_big
+import com.composables.icons.lucide.CircleCheckBig
 import com.composables.icons.lucide.Lucide
 import com.fabledsword.minstrel.theme.LocalFabledSwordTheme
 
@@ -30,7 +30,7 @@ val LocalCachedTrackIds = staticCompositionLocalOf { emptySet<String>() }
 fun CachedDot(trackId: String, modifier: Modifier = Modifier) {
     if (trackId !in LocalCachedTrackIds.current) return
     Icon(
-        imageVector = Lucide.Circle_check_big,
+        imageVector = Lucide.CircleCheckBig,
         contentDescription = "Downloaded",
         tint = LocalFabledSwordTheme.current.accent,
         modifier = modifier