chore: chart bar adjustments (#10555)

Updates chart bars with explicit border radii.

Before:
<img width="995" height="425" alt="image"
src="https://github.com/user-attachments/assets/d52c56a7-e022-4d27-8651-8897a49012e6"
/>


After:
<img width="1120" height="490" alt="image"
src="https://github.com/user-attachments/assets/b8660eb2-580b-48b7-8800-c5711b8a45a5"
/>

frontend/src/component/insights/componentsChart/CreationArchiveChart/CreationArchiveChart.tsx

@@ -141,6 +141,7 @@ export const CreationArchiveChart: FC<ICreationArchiveChartProps> = ({
                 mode: 'index' as const,
                 intersect: false,
             },
+            datasets: { bar: { borderRadius: 4 } },
             plugins: {
                 legend: {
                     position: 'bottom' as const,