Modal, AdaptiveDiv, BottomDiv 컴포넌트를 molecules 디렉터리로 이동 및 리팩토링

src/routes/(fullscreen)/key/export/BeforeContinueBottomSheet.svelte

@@ -1,7 +1,6 @@
 <script lang="ts">
   import { BottomSheet } from "$lib/components";
-  import { Button } from "$lib/components/atoms";
-  import { BottomDiv } from "$lib/components/divs";
+  import { Button, BottomDiv } from "$lib/components/atoms";
 
   interface Props {
     onRetryClick: () => void;
@@ -21,11 +20,9 @@
         한 번 확인해 주세요.
       </p>
     </div>
-    <BottomDiv>
-      <div class="flex w-full gap-x-2">
-        <Button color="gray" onclick={onRetryClick} class="flex-1">다시 저장할래요</Button>
-        <Button onclick={onContinueClick} class="flex-1">잘 저장되었어요</Button>
-      </div>
+    <BottomDiv class="flex gap-x-2">
+      <Button color="gray" onclick={onRetryClick} class="flex-1">다시 저장할래요</Button>
+      <Button onclick={onContinueClick} class="flex-1">잘 저장되었어요</Button>
     </BottomDiv>
   </div>
 </BottomSheet>