Merge pull request #562 from opengisch/no-transfer-duplicates

Prevent rendering the files to be transfered twice

qfieldsync/gui/cloud_transfer_dialog.py

@@ -407,6 +407,8 @@ def prepare_project_transfer(self):
     def build_files_tree(self):
         assert self.project_transfer
 
+        self.filesTree.clear()
+
         # NOTE algorithmic part
         # ##########
         # The "cloud_files" objects are assumed to be sorted alphabetically by name.