fix: resolve Svelte build warnings

- Add keyboard handler to fab-modal and dialog overlays (a11y)
- Remove unused .btn-cancel CSS selector
- Wrap meal name input inside its label, use span for ingredients heading
- Change image-wrap-desktop from div to figure for valid figcaption

src/lib/components/faith/StickyImage.svelte

@@ -84,12 +84,12 @@
 </script>
 
 <div class="sticky-image-layout" class:overlay={mode === 'overlay'}>
-	<div class="image-wrap-desktop">
+	<figure class="image-wrap-desktop">
 		<img {src} {alt}>
 		{#if caption}
 			<figcaption class="image-caption">{@html caption}</figcaption>
 		{/if}
-	</div>
+	</figure>
 	<PipImage {pip} {src} {alt} visible={inView} bind:el={pipEl} />
 	<div class="content-scroll" bind:this={contentEl}>
 		{@render children()}
@@ -109,6 +109,7 @@
 }
 .image-wrap-desktop {
 	display: none;
+	margin: 0;
 }
 .image-caption {
 	font-size: 0.8rem;

src/lib/components/recipes/AddToFoodLogButton.svelte

@@ -188,8 +188,8 @@
 {#if showDialog}
 	<!-- svelte-ignore a11y_no_static_element_interactions -->
 	<div class="dialog-overlay" onclick={() => showDialog = false} onkeydown={(e) => e.key === 'Escape' && (showDialog = false)}>
-		<!-- svelte-ignore a11y_no_static_element_interactions -->
-		<div class="dialog" onclick={(e) => e.stopPropagation()}>
+		<!-- svelte-ignore a11y_no_static_element_interactions a11y_click_events_have_key_events -->
+		<div class="dialog" onclick={(e) => e.stopPropagation()} onkeydown={(e) => e.stopPropagation()}>
 			<div class="dialog-header">
 				<h3>{labels.addToLog}</h3>
 				<button class="close-btn" onclick={() => showDialog = false}><X size={18} /></button>