修复一些闪退

1. 修复游戏详情页回到顶部的闪退
2. 尝试修复获取游戏更新时偶发的闪退

app/src/main/java/com/gh/gamecenter/gamedetail/desc/DescFragment.kt

@@ -224,7 +224,9 @@ class DescFragment : BaseFragment<Any>(), IScrollable {
     }
 
     override fun scrollToTop() {
-        mRecyclerView.scrollToPosition(0)
+        if (::mRecyclerView.isInitialized) {
+            mRecyclerView.scrollToPosition(0)
+        }
     }
 
 }

app/src/main/java/com/gh/gamecenter/packagehelper/PackageRepository.kt

@@ -82,7 +82,7 @@ object PackageRepository {
             mInstalledPkgList.addAll(list)
             notifyInstallPkgData()
 
-            loadInstalledGameDigestAndNotifyData(list, true)
+            loadInstalledGameDigestAndNotifyData(list)
             loadGhzsUpdate()
         }
     }