기존에 제작된 모달들을 ActionModal 컴포넌트 기반으로 재구성

src/lib/components/organisms/modals/CategoryCreateModal.svelte

@@ -3,10 +3,10 @@
 
   interface Props {
     isOpen: boolean;
-    oncreate: (name: string) => Promise<boolean>;
+    onCreateClick: (name: string) => Promise<boolean>;
   }
 
-  let { isOpen = $bindable(), oncreate }: Props = $props();
+  let { isOpen = $bindable(), onCreateClick }: Props = $props();
 </script>
 
 <TextInputModal
@@ -14,5 +14,5 @@
   title="새 카테고리"
   placeholder="카테고리 이름"
   submitText="만들기"
-  onSubmitClick={oncreate}
+  onSubmitClick={onCreateClick}
 />