Check for empty costs array and allow title override

Signed-off-by: Jen Evans <jenevan@rei.com>

plugins/cost-insights/src/components/CostInsightsLayout/CostInsightsLayout.tsx

@@ -37,6 +37,7 @@ type CostInsightsLayoutProps = {
 };
 
 export const CostInsightsLayout = ({
+  title = 'Cost Insights',
   groups,
   children,
 }: PropsWithChildren<CostInsightsLayoutProps>) => {
@@ -46,7 +47,7 @@ export const CostInsightsLayout = ({
       <Header
         style={{ boxShadow: 'none' }}
         title="Cost Insights"
-        pageTitleOverride="Cost Insights"
+        pageTitleOverride={title}
         type="Tool"
       />
       <div className={classes.root}>

plugins/cost-insights/src/components/EntityCosts/EntityCosts.tsx

@@ -120,7 +120,7 @@ export const EntityCostsCard = () => {
     return <MaterialAlert severity="error">{error.message}</MaterialAlert>;
   }
 
-  if (!dailyCost) {
+  if (!dailyCost || !dailyCost.aggregation.length) {
     return <MaterialAlert severity="error">No daily costs</MaterialAlert>;
   }