feat(design): fix issues in sidebar design.

feat(sales): reference number auto-increment optimizations.
fix(payments): payment receive/made statement.

client/src/containers/Purchases/PaymentMades/PaymentForm/utils.js

@@ -21,7 +21,7 @@ export const defaultPaymentMade = {
   payment_date: moment(new Date()).format('YYYY-MM-DD'),
   reference: '',
   payment_number: '',
-  description: '',
+  statement: '',
   entries: [],
 };