ignore 0 byte files when picking up changes

rslib/src/media/changetracker.rs

@@ -115,11 +115,14 @@ where
                 continue;
             }
 
-            // ignore large files
+            // ignore large files and zero byte files
             let metadata = dentry.metadata()?;
             if metadata.len() > MEDIA_SYNC_FILESIZE_LIMIT as u64 {
                 continue;
             }
+            if metadata.len() == 0 {
+                continue;
+            }
 
             // remove from mtimes for later deletion tracking
             let previous_mtime = mtimes.remove(fname.as_ref());