fixing issue with v-if and category chooser

src/components/category_chooser.vue

@@ -1,4 +1,6 @@
 <script setup>
+	import { defineProps } from 'vue';
+
 	const props = defineProps(['instruments', 'categories'])
 	const currentWorkingCategory = defineModel('currentWorkingCategory')
 	const currentWorkingInstrument = defineModel('currentWorkingInstrument')
@@ -16,9 +18,8 @@
 	</select>
 	<select v-model="currentWorkingCategory">
 		<option
-			v-show="category.instrument === currentWorkingInstrument.name"
-			:value="category"
-			v-for="category in props.categories">
+			v-for="category in props.categories.filter(currentCategory => currentCategory.instrument === currentWorkingInstrument.name)"
+			:value="category">
 				{{category.category}}
 		</option>
 	</select>