Improve dashboard performance

Author: jayb

packages/dashboard/src/helpers/getVizConfig.ts

@@ -100,7 +100,7 @@ export const getVizConfig = (
     const dataKey = visualizationConfig.dataKey || 'backwards-compatibility'
     // Markup-includes need data even when shared filters exist (for markup variables)
     const shouldClearData = sharedFilterColumns.length && visualizationConfig.type !== 'markup-include'
-    visualizationConfig.data = data[dataKey] || []
+    visualizationConfig.data = shouldClearData ? [] : data[dataKey] || []
     if (visualizationConfig.formattedData) {
       visualizationConfig.formattedData =
         transform.developerStandardize(visualizationConfig.data, visualizationConfig.dataDescription) ||