Allow full screen button to show for dataframes, charts, etc in expander
diff --git a/frontend/src/hocs/withExpandable/withExpandable.tsx b/frontend/src/hocs/withExpandable/withExpandable.tsx
index 6eea4a6843c9..33621257ce8f 100644
--- a/frontend/src/hocs/withExpandable/withExpandable.tsx
+++ b/frontend/src/hocs/withExpandable/withExpandable.tsx
@@ -92,6 +92,12 @@ function withExpandable(
               }),
               props: { className: "streamlit-expanderContent" },
             },
+            // allow fullscreen button to show
+            ContentAnimationContainer: {
+              style: {
+                overflow: "visible",
+              },
+            },
             PanelContainer: {
               style: () => ({
                 marginLeft: `${spacing.none} !important`,

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## 📚 Context
https://github.com/streamlit/streamlit/issues/5694
_Please describe the project or issue background here_
Fullscreen button can't be found because the overflow is hidden so just setting the parent div to overflow: visible will solve this.
Solution was found by: @LukasMasuch 

- What kind of change does this PR introduce?

  - [x] Bugfix
  - [ ] Feature
  - [ ] Refactoring
  - [ ] Other, please describe:

## 🧠 Description of Changes
- _Add bullet points summarizing your changes here_

  - [ ] This is a breaking API change
  - [x] This is a visible (user-facing) change

**Revised:**
_Insert screenshot of your updated UI/code here_
![Screenshot 2023-02-08 at 11 07 47 AM](https://user-images.githubusercontent.com/16749069/217629584-a6ce8b9e-ec64-4dab-b338-97b513c9af69.png)


**Current:**
![Screenshot 2023-02-08 at 11 16 51 AM](https://user-images.githubusercontent.com/16749069/217629763-439d27a2-2548-4d30-8540-6ee4ffea632f.png)

_Insert screenshot of existing UI/code here_

## 🧪 Testing Done

- [x] Screenshots included
- [ ] Added/Updated unit tests
- [ ] Added/Updated e2e tests

## 🌐 References

_Does this depend on other work, documents, or tickets?_

- **Issue**: Closes #5694 

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