fix: Remove totals table rows from displayed row count (#1492)

Fixes #1407. When aggregations were added, both the table and column
tooltips displayed an increased row count to account for the totals
table. Rows from the totals table are now subtracted from the row count
displayed to users.

Author: georgecwan

packages/dashboard-core-plugins/src/panels/IrisGridPanelTooltip.tsx

@@ -15,7 +15,11 @@ interface IrisGridPanelTooltipProps {
 function IrisGridPanelTooltip(props: IrisGridPanelTooltipProps): ReactElement {
   const { model, widgetName, glContainer, description } = props;
 
-  const rowCount = (model?.rowCount ?? 0) - (model?.pendingRowCount ?? 0);
+  const rowCount =
+    (model?.rowCount ?? 0) -
+    (model?.pendingRowCount ?? 0) -
+    (model?.floatingBottomRowCount ?? 0) -
+    (model?.floatingTopRowCount ?? 0);
   const formattedRowCount = model?.displayString(rowCount, 'long');
 
   const columnCount = model?.columnCount ?? 0;

packages/iris-grid/src/ColumnStatistics.tsx

@@ -86,7 +86,11 @@ class ColumnStatistics extends Component<
   maybeGenerateStatistics(): void {
     const { model } = this.props;
 
-    const numRows = model.rowCount - model.pendingRowCount;
+    const numRows =
+      model.rowCount -
+      model.pendingRowCount -
+      model.floatingBottomRowCount -
+      model.floatingTopRowCount;
     this.setState({ numRows });
     if (!model.isColumnStatisticsAvailable) {
       this.setState({ loading: false });
@@ -133,7 +137,11 @@ class ColumnStatistics extends Component<
     this.setState({
       loading: false,
       statistics,
-      numRows: model.rowCount - model.pendingRowCount,
+      numRows:
+        model.rowCount -
+        model.pendingRowCount -
+        model.floatingBottomRowCount -
+        model.floatingTopRowCount,
     });
 
     onStatistics();