Potential fix for code scanning alert no. 209: Insecure randomness

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: didimmova

samples/grids/grid-lite/styling-config-themes/src/GridLiteDataService.ts

@@ -38,7 +38,10 @@ export class GridLiteDataService {
   private priorities: ('Low' | 'Standard' | 'High')[] = ['Low', 'Standard', 'High'];
 
   private randomInt(min: number, max: number): number {
-    return Math.floor(Math.random() * (max - min + 1)) + min;
+    const array = new Uint32Array(1);
+    window.crypto.getRandomValues(array);
+    const random01 = array[0] / 2 ** 32;
+    return Math.floor(random01 * (max - min + 1)) + min;
   }
 
   private randomFloat(min: number, max: number, precision = 2): number {