feat(ui): implement prefer-nullish-coalescing eslint check

libs/ui/eslint.config.cjs

@@ -41,7 +41,8 @@ module.exports = [
           }
         ],
         '@angular-eslint/prefer-inject': 'off',
-        '@angular-eslint/prefer-standalone': 'off'
+        '@angular-eslint/prefer-standalone': 'off',
+        '@typescript-eslint/prefer-nullish-coalescing': 'error'
       },
       languageOptions: {
         parserOptions: {

libs/ui/src/lib/activities-table/activities-table.component.ts

@@ -267,7 +267,7 @@ export class GfActivitiesTableComponent implements AfterViewInit, OnInit {
 
   public isExcludedFromAnalysis(activity: Activity) {
     return (
-      (activity.account && isAccountExcluded(activity.account)) ||
+      (activity.account && isAccountExcluded(activity.account)) ??
       activity.tags?.some(({ id }) => {
         return id === TAG_ID_EXCLUDE_FROM_ANALYSIS;
       }) === true