test: Recommendations, Reviews and Wishlist

- Tests for verified and unverified item reviewers
- Test for recommended items and their prices
- Test for adding removing items from Wishlist
- Bug: Wishlist deletes all entries of an item code irrespective of user
- Get Item reviews only if enabled
- Removed price fields from Wishlist Item and made fields read only
- Removed unused price stored as data on Wishlist buttons
- Customer Reviews page checks if reviews are enabled else shows No Reviews
- Moved price stock fetching in Wishlist in separate function
- Made fields read only in Item Review

erpnext/templates/includes/macros.html

@@ -231,7 +231,7 @@
 			{{ average_rating or 0 }}
 		</h2>
 		<div class="mb-2" style="margin-top: -.5rem;">
-			{{ frappe.utils.cstr(total_reviews) + " " + _("ratings") }}
+			{{ frappe.utils.cstr(total_reviews or 0) + " " + _("ratings") }}
 		</div>
 
 		<!-- Ratings Summary -->