Fix Insert 3D Model file dialog's "All supported formats" filter

It seems on some system the file dialog does not like spaces
between the formats.

Change-Id: Ifa69f4f210061209f7f0aa9223417d06b06b577a

sd/source/ui/func/fuinsert.cxx

@@ -786,7 +786,7 @@ void FuInsert3DModel::DoExecute( SfxRequest& )
     aDlg.SetTitle( "Insert 3D Model" );
 
 #if HAVE_FEATURE_COLLADA
-    aDlg.AddFilter( "All supported formats", "*.json; *.dae; *.kmz"  );
+    aDlg.AddFilter( "All supported formats", "*.json;*.dae;*.kmz"  );
 #else
     aDlg.AddFilter( "All supported formats", "*.json"  );
 #endif