Update the path patterns of static files while refreshing (#1907)

* Fixed the bug of not being able to query according to the content

The content table is associated at query time now.

* Update static file mappings on refresh

src/main/java/run/halo/app/service/impl/StaticStorageServiceImpl.java

@@ -53,7 +53,12 @@ public class StaticStorageServiceImpl
 
     @Override
     public List<StaticFile> listStaticFolder() {
-        return listStaticFileTree(staticDir);
+
+        List<StaticFile> staticFiles = listStaticFileTree(staticDir);
+
+        onChange(); // To update the mapping of local files.
+
+        return staticFiles;
     }
 
     @Nullable