chore(webui): say "successfully removed" when using a negative quantity (#1271)

Reviewed-on: OpenWF/SpaceNinjaServer#1271

static/webui/script.js

@@ -812,6 +812,8 @@ function doAcquireMiscItems() {
         $("#miscitem-type").addClass("is-invalid").focus();
         return;
     }
+    const count = parseInt($("#miscitem-count").val());
+    if (count != 0) {
         revalidateAuthz(() => {
             $.post({
                 url: "/custom/addItems?" + window.authz,
@@ -819,13 +821,18 @@ function doAcquireMiscItems() {
                 data: JSON.stringify([
                     {
                         ItemType: uniqueName,
-                    ItemCount: parseInt($("#miscitem-count").val())
+                        ItemCount: count
                     }
                 ])
             }).done(function () {
+                if (count > 0) {
                     toast(loc("code_succAdded"));
+                } else {
+                    toast(loc("code_succRemoved"));
+                }
             });
         });
+    }
 }
 
 function doAcquireRiven() {

static/webui/translations/en.js

@@ -28,6 +28,7 @@ dict = {
     code_succRankUp: `Successfully ranked up.`,
     code_noEquipmentToRankUp: `No equipment to rank up.`,
     code_succAdded: `Successfully added.`,
+    code_succRemoved: `Successfully removed.`,
     code_buffsNumber: `Number of buffs`,
     code_cursesNumber: `Number of curses`,
     code_rerollsNumber: `Number of rerolls`,