feat(reports): improve summary rates and export formatting

apps/reports/tests/test_exporters.py

@@ -199,9 +199,9 @@ class ReportExporterTests(TestCase):
         self.assertEqual(summary_sheet["A1"].value, "Workspace Report")
         self.assertEqual(summary_sheet["B1"].value, "Exports")
         self.assertEqual(summary_sheet["A15"].value, "Users Summary")
-        self.assertIn("A15:O15", {str(item) for item in summary_sheet.merged_cells.ranges})
+        self.assertIn("A15:R15", {str(item) for item in summary_sheet.merged_cells.ranges})
         self.assertEqual(
-            tuple(summary_sheet.iter_rows(min_row=16, max_row=16, values_only=True))[0][:15],
+            tuple(summary_sheet.iter_rows(min_row=16, max_row=16, values_only=True))[0][:18],
             (
                 "Name",
                 "Mobile",
@@ -209,12 +209,15 @@ class ReportExporterTests(TestCase):
                 "Hourly rate",
                 "Period",
                 "Income",
+                None,
                 "Clients",
                 "Hour %",
                 "Income %",
+                None,
                 "Projects",
                 "Hour %",
                 "Income %",
+                None,
                 "Tags",
                 "Hour %",
                 "Income %",