timer category chooser changes correctly

src/components/timer.vue

@@ -158,8 +158,8 @@
 			window.onbeforeunload = this.confirmClose
 		},
 		watch: {
-			currentWorkingCategory(chosenCategoryID){
-				this.practice_category_id = chosenCategoryID
+			currentWorkingCategory(chosenCategory){
+				this.practice_category_id = chosenCategory.id
 			}
 		}
 	}
@@ -178,7 +178,6 @@
 		<button :disabled="running || totalSeconds === 0" @click="reset">Reset</button>
 	</div>
 	<form @submit="submit">
-		{{practice_category_id}}
 		<label>Description</label>
 		<input v-model="description" type="text" maxlength="128"/>