feat(web): enhance module entry dialogs and selection handling

- Refactored module entry dialogs to reset forms based on edit state and improve state management.
- Updated selection logic in various components to utilize derived states for active selections, enhancing bulk operations.
- Improved dialog bindings for better state synchronization and user experience.
- Streamlined component structure for maintainability and clarity.

web/src/lib/components/modules/ModuleCdnSourcesCard.svelte

@@ -39,8 +39,12 @@
 	let selectedIds = $state(new Set<string>());
 	let deletingBulk = $state(false);
 
-	const selectedCount = $derived(selectedIds.size);
-	const allSelected = $derived(sources.length > 0 && selectedIds.size === sources.length);
+	const activeSelected = $derived.by(() => {
+		const allowed = new Set(sources.map((s) => s.id));
+		return [...selectedIds].filter((id) => allowed.has(id));
+	});
+	const selectedCount = $derived(activeSelected.length);
+	const allSelected = $derived(sources.length > 0 && sources.every((s) => selectedIds.has(s.id)));
 
 	const columns = [
 		{ id: 'select', label: '', class: 'w-10' },
@@ -62,11 +66,6 @@
 		{ id: 'actions', label: '', class: 'w-20' }
 	] as const;
 
-	$effect(() => {
-		const validIds = new Set(sources.map((s) => s.id));
-		selectedIds = new Set([...selectedIds].filter((id) => validIds.has(id)));
-	});
-
 	function toggleSelection(id: string) {
 		const next = new Set(selectedIds);
 		if (next.has(id)) next.delete(id);
@@ -120,7 +119,7 @@
 		deletingBulk = true;
 		let deleted = 0;
 		try {
-			for (const id of selectedIds) {
+			for (const id of activeSelected) {
 				try {
 					await apiMutate(`/v1/modules/${moduleId}/cdn-sources/${id}`, 'DELETE', undefined, {
 						idempotent: false