[Bug] App freezes when applying uppercase command on empty line

[Vasdranna]

Problem Description:

How to reproduce the problem:

• Apply Uppercase command in an empty line, without text selection, results in Obsidian crashing.

Input:

The text that is selected

Result:

The result of Text Format's command

Expected:

The expected result

Environment

• Obsidian version: 1.8.7
• Text Format version: 3.1.0
• Platform: Windows