use hash for field options

app/javascript/submission_form/multi_select_step.vue

@@ -7,25 +7,25 @@
   <div class="flex w-full">
     <div class="space-y-3.5 mx-auto">
       <div
-        v-for="(option, index) in field.options"
-        :key="index"
+        v-for="option in field.options"
+        :key="option.uuid"
       >
         <label
-          :for="field.uuid + option"
+          :for="option.uuid"
           class="flex items-center space-x-3"
         >
           <input
-            :id="field.uuid + option"
+            :id="option.uuid"
             :ref="setInputRef"
             type="checkbox"
             :name="`values[${field.uuid}][]`"
-            :value="option"
+            :value="option.value"
             class="base-checkbox !h-7 !w-7"
-            :checked="(modelValue || []).includes(option)"
+            :checked="(modelValue || []).includes(option.value)"
             @change="onChange"
           >
           <span class="text-xl">
-            {{ option }}
+            {{ option.value }}
           </span>
         </label>
       </div>