Add tag button is vertically misaligned

[3coins]

Description

The add tag button in the right panel is vertically misaligned when a 2nd tag is added.

Reproduce

1. Open the right panel by selecting the gear icon in the right panel
2. Select the "Add Tag" button and enter a tag
3. Select the "Add Tag" button again
4. Notice the button is not vertically aligned with the first tag

Expected behavior

Tag button should be vertically aligned with the rest of the tags.

Context

• Operating System and version: macOS 12.6.3
• Browser and version: Safari Version 16.3
• JupyterLab version: 4.0.0a33