Fixed dev UI preview (#10385)

The TachiyomiTheme introduced a dependency-injection construct that didn't
 exist at the time of rendering previews, so I've changed the preview function
 to use a preview version of the theme that uses declarative configuration
 over dependency injection

app/src/main/java/eu/kanade/presentation/track/TrackerSearch.kt

@@ -68,7 +68,7 @@ import androidx.compose.ui.tooling.preview.PreviewParameter
 import androidx.compose.ui.unit.dp
 import eu.kanade.presentation.components.DropdownMenu
 import eu.kanade.presentation.manga.components.MangaCover
-import eu.kanade.presentation.theme.TachiyomiTheme
+import eu.kanade.presentation.theme.TachiyomiPreviewTheme
 import eu.kanade.tachiyomi.data.track.model.TrackSearch
 import eu.kanade.tachiyomi.util.system.openInBrowser
 import tachiyomi.i18n.MR
@@ -380,5 +380,5 @@ private fun TrackerSearchPreviews(
     @PreviewParameter(TrackerSearchPreviewProvider::class)
     content: @Composable () -> Unit,
 ) {
-    TachiyomiTheme { content() }
+    TachiyomiPreviewTheme { content() }
 }