Content Previewer Buttons Not Rendered Properly On Small Screens

**Environment:**

- Elements version: all versions including v12.0.0-beta.150

**Desktop (please complete the following information):**

- OS: all OS
- Browser: all browsers
- Version: all browser versions

**Steps to reproduce the problem:**
Preview a file that has a long filename and in a narrow width browser view (for example, on a mobile phone)

**What is the expected behavior? (Screenshots can be helpful here)**
The Print, Download, and Close icons in the top right should always be visible

**What went wrong? (Screenshots, console logs, or HAR files can be helpful here)**
The top right icons are hidden

**Expected behavior**
The top right icons should always be visible

**Screenshots**

Bad:

Good: