Finished Metadata Input Mask mechanics

src/lib/ListTextInput/ListTextInputElement.svelte

@@ -16,7 +16,7 @@
 </script>
 
 <input id="tag-{id}" type="text" class="letterInput" style="--valuelen: {width}ch" bind:value={value}>
-<button on:click={handleClick}>X</button>
+<button on:click|preventDefault={handleClick}>X</button>
 
 <style>
     .letterInput {