fix: Paging and Discount filter

- Convert incoming api args to frappe dict
- Change discount filter condition due to reversal of behaviour
diff --git a/erpnext/e_commerce/api.py b/erpnext/e_commerce/api.py
index 01bde29..c58081e 100644
--- a/erpnext/e_commerce/api.py
+++ b/erpnext/e_commerce/api.py
@@ -27,6 +27,7 @@
 	if isinstance(query_args, str):
 		query_args = json.loads(query_args)
 
+	query_args = frappe._dict(query_args)
 	if query_args:
 		search = query_args.get("search")
 		field_filters = query_args.get("field_filters", {})
diff --git a/erpnext/e_commerce/product_data_engine/query.py b/erpnext/e_commerce/product_data_engine/query.py
index fefb5b3..f7a48c0 100644
--- a/erpnext/e_commerce/product_data_engine/query.py
+++ b/erpnext/e_commerce/product_data_engine/query.py
@@ -289,7 +289,7 @@
 	def filter_results_by_discount(self, fields, result):
 		if fields and fields.get("discount"):
 			discount_percent = frappe.utils.flt(fields["discount"][0])
-			result = [row for row in result if row.get("discount_percent") and row.discount_percent >= discount_percent]
+			result = [row for row in result if row.get("discount_percent") and row.discount_percent <= discount_percent]
 
 		if self.filter_with_discount:
 			# no limit was added to results while querying