style: refs #7186 fixed style

src/pages/InvoiceIn/Card/InvoiceInVat.vue

@@ -217,9 +217,8 @@ async function addExpense() {
                                 <QIcon
                                     @click.stop.prevent="newExpenseRef.show()"
                                     :name="actionIcon"
-                                    :size="actionIcon === 'add' ? 'xs' : 'sm'"
-                                    :class="['default-icon', { '--add-icon': actionIcon === 'add' }]"
-                                    :style="fill-icon"
+                                    size="xs"
+                                    class="default-icon"
                                 >
                                     <QTooltip>
                                         {{ t('Create expense') }}
@@ -479,14 +478,9 @@ async function addExpense() {
 }
 .default-icon {
     cursor: pointer;
-    color: $primary;
     border-radius: 50px;
-
-    &.--add-icon {
-        color: var(--vn-text-color);
     background-color: $primary;
 }
-}
 </style>
 <i18n>
 es: