fix types mismatch between core and cartesian

Author: pan-kot

src/__tests__/__snapshots__/documenter.test.ts.snap

@@ -316,7 +316,7 @@ Supported options:
           {
             "name": "point",
             "optional": true,
-            "type": "((props: CartesianChartProps.TooltipPointRenderProps) => CartesianChartProps.TooltipPointFormatted)",
+            "type": "((props: CartesianChartProps.TooltipPointRenderProps) => TooltipPointFormatted)",
           },
           {
             "name": "size",

src/cartesian-chart/interfaces.ts

@@ -177,13 +177,7 @@ export namespace CartesianChartProps {
     errorRanges: { low: number; high: number; series: CartesianChartProps.ErrorBarSeriesOptions }[];
     series: NonErrorBarSeriesOptions;
   }
-  export interface TooltipPointFormatted {
-    key?: React.ReactNode;
-    value?: React.ReactNode;
-    description?: React.ReactNode;
-    expandable?: boolean;
-    subItems?: ReadonlyArray<{ key: React.ReactNode; value: React.ReactNode }>;
-  }
+  export type TooltipPointFormatted = CoreTypes.TooltipPointFormatted;
 
   export type LegendOptions = CoreTypes.BaseLegendOptions;