[Minor] [Staging] POS Profile (#15321)

* update modified date to load field display_items_in_stock

* stop dialog from popping up if no loyalty program found

* warehouse not used for not is_pos type invoice

erpnext/accounts/doctype/pos_profile/pos_profile.json

@@ -1585,7 +1585,7 @@
  "issingle": 0, 
  "istable": 0, 
  "max_attachments": 0, 
- "modified": "2018-05-16 22:43:37.272875",
+ "modified": "2018-09-05 12:43:37.272875",
  "modified_by": "Administrator", 
  "module": "Accounts", 
  "name": "POS Profile", 

erpnext/accounts/doctype/sales_invoice/sales_invoice.js

@@ -237,7 +237,7 @@ erpnext.accounts.SalesInvoiceController = erpnext.selling.SellingController.exte
 					"customer": this.frm.doc.customer
 				},
 				callback: function(r) {
-					if(r.message) {
+					if(r.message.length) {
 						select_loyalty_program(me.frm, r.message);
 					}
 				}

erpnext/accounts/report/sales_payment_summary/sales_payment_summary.py

@@ -37,7 +37,6 @@ def get_columns(filters):
 			_("Sales and Returns") + ":Currency/currency:120",
 			_("Taxes") + ":Currency/currency:120",
 			_("Payments") + ":Currency/currency:120",
-			_("Warehouse") + ":Data:200"
 		]