feat:loadmore 改成白色

TSLiveWallpaper/Business/TSMusic/SearchResult/SearchResultViewController.swift

@@ -44,7 +44,7 @@ class SearchResultViewController: LWBGViewController {
         let footer = MJRefreshAutoNormalFooter { [weak self] in
             self?.viewModel.loadMoreData()
         }
-        footer.loadingView?.color = .black
+        footer.loadingView?.color = .white
         footer.isRefreshingTitleHidden = true
         footer.setTitle("", for: .idle)
         return footer