Repository: flutter
Issue: DropdownButtonFormField text item is getting cut off when using font + font size
Labels: framework,f: material design,has reproducible steps,P2,team-design,triaged-design,found in release: 3.13,found in release: 3.16

### Is there an existing issue for this?

- [X] I have searched the [existing issues](https://github.com/flutter/flutter/issues)
- [X] I have read the [guide to filing a bug](https://flutter.dev/docs/resources/bug-reports)

### Steps to reproduce

1. create a new app and add a custom font(e.g. OpenSans)
2. add an DropdownButtonFormField with a style using OpenSans, fontSize 30 and items displaying a text
3. run the app and look at the item after it was selected

### Expected results

The text is completely shown

### Actual results

The text is getting cut off at the bottom

### Code sample

<details><summary>Code sample</summary>

https://github.com/felixmede/flutter_bug_dropdown

```dart
DropdownButtonFormField<int>(
          value: 1,
          style: const TextStyle(
            fontSize: 30,
            color: Colors.black,
            fontFamily: "OpenSans",
          ),
          isExpanded: true,
          items: const [
            DropdownMenuItem(
              value: 1,
              child: Text("adsadsadsasdadsasdasd", overflow: TextOverflow.ellipsis),
            ),
            DropdownMenuItem(
              value: 5,
              child: Text(
                "asdasdadsadsasdadsadsasaasdadsadasdasaasdadsasd",
                overflow: TextOverflow.ellipsis,
              ),
            ),
          ],
          onChanged: (_) {},
        )
```

</details>


### Screenshots or Video

<details>
<summary>Screenshots / Video demonstration</summary>

![image](https://github.com/flutter/flutter/assets/102576974/f061c450-0b22-4ef6-b787-0bb15cd3e105)

</details>


### Logs

<details><summary>Logs</summary>

```console
[Paste your logs here]
```

</details>


### Flutter Doctor output

<details><summary>Doctor output</summary>

```console
[✓] Flutter (Channel stable, 3.13.7, on macOS 13.6 22G120 darwin-x64, locale en)
    • Flutter version 3.13.7 on channel stable at /Users/fstotz/development/flutter
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision 2f708eb839 (7 days ago), 2023-10-09 09:58:08 -0500
    • Engine revision a794cf2681
    • Dart version 3.1.3
    • DevTools version 2.25.0

[✓] Android toolchain - develop for Android devices (Android SDK version 34.0.0)
    • Android SDK at /Users/fstotz/Library/Android/sdk
    • Platform android-34, build-tools 34.0.0
    • ANDROID_HOME = /Users/fstotz/Library/Android/sdk
    • Java binary at: /Applications/Android Studio.app/Contents/jbr/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 17.0.6+0-17.0.6b829.9-10027231)
    • All Android licenses accepted.

[✓] Xcode - develop for iOS and macOS (Xcode 15.0)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Build 15A240d
    • CocoaPods version 1.13.0

[✓] Chrome - develop for the web
    • Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Android Studio (version 2022.3)
    • Android Studio at /Applications/Android Studio.app/Contents
    • Flutter plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/6351-dart
    • android-studio-dir = /Applications/Android Studio.app
    • Java version OpenJDK Runtime Environment (build 17.0.6+0-17.0.6b829.9-10027231)

[✓] VS Code (version 1.83.0)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 3.29.0

[✓] Connected device (3 available)
    • Iphone 6s IOS 14.5 (mobile) • BCF2B76E-B095-4562-A906-0ED50070D680 • ios            • com.apple.CoreSimulator.SimRuntime.iOS-14-5 (simulator)
    • macOS (desktop)             • macos                                • darwin-x64     • macOS 13.6 22G120 darwin-x64
    • Chrome (web)                • chrome                               • web-javascript • Google Chrome 118.0.5993.70
    ! Error: Browsing on the local area network for iPhone_13_AI. Ensure the device is unlocked and attached with a cable or associated with the same local area network as this Mac.
      The device must be opted into Developer Mode to connect wirelessly. (code -27)

[✓] Network resources
    • All expected network resources are available.

• No issues found!
```

</details>