Fix get_annotations from empty folder

Author: VaghinakDev

src/superannotate/__init__.py

@@ -1,7 +1,7 @@
 import os
 import sys
 
-__version__ = "4.4.4dev5"
+__version__ = "4.4.4dev6"
 
 sys.path.append(os.path.split(os.path.realpath(__file__))[0])
 

src/superannotate/lib/core/usecases/annotations.py

@@ -833,6 +833,10 @@ async def run_workers(self, big_annotations, small_annotations):
     def execute(self):
         if self.is_valid():
             items_count = len(self._item_names)
+            if not items_count:
+                self.reporter.log_info("No annotations to download.")
+                self._response.data = []
+                return self._response
             self.reporter.log_info(
                 f"Getting {items_count} annotations from "
                 f"{self._project.name}{f'/{self._folder.name}' if self._folder.name != 'root' else ''}."