set remoteId as we need it for thumbnails

Signed-off-by: tobiasKaminsky <tobias@kaminsky.me>

app/src/main/java/com/owncloud/android/ui/adapter/OCShareToOCFileConverter.kt

@@ -56,7 +56,7 @@ object OCShareToOCFileConverter {
             mimeType = firstShare.mimetype
             note = firstShare.note
             fileId = firstShare.fileSource
-            remoteId = "-1" // remoteId is not given from server
+            remoteId = firstShare.remoteId.toString()
             // use first share timestamp as timestamp
             firstShareTimestamp = shares.minOf { it.sharedDate * MILLIS_PER_SECOND }
             // don't have file length or mod timestamp

app/src/main/java/com/owncloud/android/utils/FileSortOrder.kt

@@ -99,10 +99,6 @@ open class FileSortOrder(@JvmField var name: String, var isAscending: Boolean) {
         }
     }
 
-    open fun sortSharedFiles(files: MutableList<OCFile>): List<OCFile> {
-        return files.sortedByDescending { it.firstShareTimestamp }
-    }
-
     open fun sortCloudFiles(files: MutableList<OCFile>): List<OCFile> {
         return sortCloudFilesByFavourite(files)
     }