Show no pinned sources message when attempting to migrate/search

app/src/main/java/eu/kanade/presentation/browse/GlobalSearchScreen.kt

@@ -14,6 +14,7 @@ import eu.kanade.presentation.browse.components.GlobalSearchErrorResultItem
 import eu.kanade.presentation.browse.components.GlobalSearchLoadingResultItem
 import eu.kanade.presentation.browse.components.GlobalSearchResultItem
 import eu.kanade.presentation.browse.components.GlobalSearchToolbar
+import eu.kanade.presentation.components.EmptyScreen
 import eu.kanade.presentation.components.LazyColumn
 import eu.kanade.presentation.components.Scaffold
 import eu.kanade.presentation.util.padding
@@ -49,6 +50,7 @@ fun GlobalSearchScreen(
     ) { paddingValues ->
         GlobalSearchContent(
             items = state.items,
+            isPinnedOnly = state.isPinnedOnly,
             contentPadding = paddingValues,
             getManga = getManga,
             onClickSource = onClickSource,
@@ -61,12 +63,20 @@ fun GlobalSearchScreen(
 @Composable
 fun GlobalSearchContent(
     items: Map<CatalogueSource, SearchItemResult>,
+    isPinnedOnly: Boolean,
     contentPadding: PaddingValues,
     getManga: @Composable (CatalogueSource, Manga) -> State<Manga>,
     onClickSource: (CatalogueSource) -> Unit,
     onClickItem: (Manga) -> Unit,
     onLongClickItem: (Manga) -> Unit,
 ) {
+    if (items.isEmpty() && isPinnedOnly) {
+        EmptyScreen(
+            message = stringResource(R.string.no_pinned_sources),
+        )
+        return
+    }
+
     LazyColumn(
         contentPadding = contentPadding,
     ) {