[fix]: SDK initialization could fail or remain uninitialized in React 17 (#1372)

[fix]: SDK initialization could fail or remain uninitialized in React
17.

// PR description (Optional)
React 17에서 Initialize 과정에서 제대로 state 변경이 반영이 되질 않아서, 무한 Loading 상태로 보이는
문제입니다.
React 18 19 에서는 발생을 하지 않습니다.

// Footer (Recommended)
Fixes [CLNP-7731](https://sendbird.atlassian.net/browse/CLNP-7731)

// Changelogs (Recommended)
// Add (internal) at the end of each changelog if internal.
### Changelogs
- Fixed a Bug where SDK initialization could fail or remain
uninitialized in React 17
 
// Co-authors
// Add this if you pair programmed or they made significant
contributions to the ideas in the code and you want to thank them.
Co-authored-by: Name name@example.com, Name2 name@example.com

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creating the PR. If unsure, ask the members.
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- [x] **All tests pass locally with my changes**
- [ ] **I have added tests that prove my fix is effective or that my
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- [ ] **Public components / utils / props are appropriately exported**
- [ ] I have added necessary documentation (if appropriate)


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[CLNP-7731]:
https://sendbird.atlassian.net/browse/CLNP-7731?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ

Author: danney-chun

src/lib/Sendbird/context/SendbirdProvider.tsx

@@ -232,17 +232,6 @@ const SendbirdContextManager = ({
     configs.groupChannel.setting,
     configs.openChannel.channel,
   ]);
-  const storeState = useMemo(() => ({
-    stores: {
-      sdkStore: state.stores.sdkStore,
-      userStore: state.stores.userStore,
-      appInfoStore: state.stores.appInfoStore,
-    },
-  }), [
-    state.stores.sdkStore,
-    state.stores.userStore,
-    state.stores.appInfoStore,
-  ]);
   const uikitUploadSizeLimit = useMemo(() => (uploadSizeLimit ?? DEFAULT_UPLOAD_SIZE_LIMIT), [uploadSizeLimit, DEFAULT_UPLOAD_SIZE_LIMIT]);
   const configImageCompression = useMemo<ImageCompressionOptions>(() => ({
     compressionRate: 0.7,
@@ -354,14 +343,12 @@ const SendbirdContextManager = ({
 
   useDeepCompareEffect(() => {
     updateState({
-      ...storeState,
       ...utilsState,
       ...configState,
       eventHandlers,
       emojiManager,
     });
   }, [
-    storeState,
     configState,
     eventHandlers,
     emojiManager,