fix(choice): validate on store change (closes #170)

Co-authored-by: Manuel Sommerhalder <hello@oncode.ch>

Author: 2 people

src/components/Choice.svelte

@@ -42,19 +42,19 @@
         id="{name}-{option.id}"
         type="checkbox"
         {name}
+        bind:group={$choice}
         on:change={onChange}
         on:blur={onBlur}
-        bind:group={$choice}
         value={option.id}
         {...$$restProps} />
     {:else}
       <input
         id="{name}-{option.id}"
         type="radio"
         {name}
+        bind:group={$choice}
         on:change={onChange}
         on:blur={onBlur}
-        bind:group={$choice}
         value={option.id}
         {...$$restProps} />
     {/if}