[Bug]: When browser window is short the transaction details modal is cut off with no scrollability

**Describe the bug**

If browser window is very short the transaction details modal is cut off with no scrollability

**Expected behavior**

The transaction details list should be scrollable on a short screen and not be cut off at the bottom

**Screenshots/Recordings**

**Steps to reproduce**

Convert a stablecoin to mUSD in Firefox
Look at the conversion details on a short window

**Error messages or log output**

```shell

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**Where was this bug found?**

Live version (from official store)

**Version**

13.25.0

**Build type**

Beta

**Browser**

Firefox

**Operating system**

MacOS

Reproduce the issue in the MetaMask extension by converting a stablecoin to mUSD in Firefox with a short browser window. Start by locating the transaction details modal and checking its layout behavior at short heights. Done means the transaction details list remains accessible through scrolling instead of being cut off at the bottom.

Written by the indexing model from the issue text.