Don't require deeplink ext target to be pinned (#9740)

(cherry picked from commit 5c73045aa48e5c6866f392d317283c2db6f8cd75)

app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/globalsearch/GlobalSearchScreenModel.kt

@@ -10,6 +10,10 @@ class GlobalSearchScreenModel(
     init {
         extensionFilter = initialExtensionFilter
         if (initialQuery.isNotBlank() || !initialExtensionFilter.isNullOrBlank()) {
+            if (extensionFilter != null) {
+                // we're going to use custom extension filter instead
+                setSourceFilter(SourceFilter.All)
+            }
             search()
         }
     }