added a comment for GenericFeaturesView,when to display

src/pages/workspace/upgrade/UpgradeIntro.tsx

@@ -46,6 +46,15 @@ function UpgradeIntro({feature, onUpgrade, buttonDisabled, loading, isCategorizi
         return `${convertToShortDisplayString(upgradePrice, upgradeCurrency)} `;
     }, [preferredCurrency, isCategorizing]);
 
+    /**
+     *
+     * If the feature is null or there is no policyID, it indicates the user is not associated with any specific workspace.
+     * In this case, the generic upgrade view should be shown.
+     * However, the policyID check is only necessary when the user is not coming from the "Categorize" option.
+     * The "isCategorizing" flag is set to true when the user accesses the "Categorize" option in the Self-DM whisper.
+     * In such scenarios, a separate Categories upgrade UI is displayed.
+     *
+     */
     if (!feature || (!isCategorizing && !policyID)) {
         return (
             <GenericFeaturesView