Add column multiplier on item section

modules/item/back/methods/item/filter.js

@@ -119,6 +119,7 @@ module.exports = Self => {
                     ori.code AS origin,
                     ic.name AS category,
                     i.density,
+                    i.stemMultiplier,
                     b.grouping,
                     b.packing,
                     itn.code AS niche, @visibleCalc

modules/item/back/models/item.json

@@ -65,7 +65,10 @@
             "type": "Number",
             "description": "Density"
         },
-        "image": {
+        "stemMultiplier": {
+            "type": "Number",
+            "description": "Multiplier"
+        },"image": {
             "type": "String",
             "description": "Image"
         },

modules/item/front/index/index.html

@@ -25,6 +25,7 @@
                 <vn-th field="origin" shrink>Origin</vn-th>
                 <vn-th field="salesperson" shrink>Buyer</vn-th>
                 <vn-th field="density" shrink>Density</vn-th>
+                <vn-th field="stemMultiplier" shrink>Multiplier</vn-th>
                 <vn-th field="active" shrink>Active</vn-th>
                 <vn-th></vn-th>
             </vn-tr>
@@ -78,6 +79,7 @@
                     </span>
                 </vn-td>
                 <vn-td shrink>{{::item.density}}</vn-td>
+                <vn-td shrink >{{::item.stemMultiplier}}</vn-td>
                 <vn-td shrink>
                     <vn-check
                         disabled="true"