Fix crash when non iterable options property given to picker

packages/bbui/src/Form/Core/Picker.svelte

@@ -68,6 +68,7 @@
           </svg>
         </li>
       {/if}
+      {#if options && Array.isArray(options)}
         {#each options as option}
           <li
             class="spectrum-Menu-item"
@@ -76,7 +77,8 @@
             aria-selected="true"
             tabindex="0"
             on:click={() => onSelectOption(getOptionValue(option))}>
-          <span class="spectrum-Menu-itemLabel">{getOptionLabel(option)}</span>
+            <span
+              class="spectrum-Menu-itemLabel">{getOptionLabel(option)}</span>
             <svg
               class="spectrum-Icon spectrum-UIIcon-Checkmark100 spectrum-Menu-checkmark spectrum-Menu-itemIcon"
               focusable="false"
@@ -85,6 +87,7 @@
             </svg>
           </li>
         {/each}
+      {/if}
     </ul>
   </div>
 {/if}