Don't try to write selection when selection failed

Instead just return early

Author: foobacca

script.py

@@ -405,6 +405,7 @@ def run_selection(self, test_selection: bool) -> None:
         gui_log.add_line(LogType.DETAILED_LOG, report.as_html())
         if not success:
             gui_log.add_line(LogType.DETAILED_LOG, "No panels written to spreadsheet.")
+            return
 
         selected_rows, remaining_rows, _ = core.selected_remaining_tables(
             self.people,