Pattern disappears when optimizing using CLI 3.3.2

[adriaanmeuris]

Describe the bug
When optimizing an SVG with a pattern that's referenced by a path, the resulting SVG does not contain the referenced pattern anymore.

To Reproduce

1. Download input.svg
2. Run svgo -i input.svg -o output.svg
3. The resulting output.svg doesn't display anything anymore. File size of input is 224 KB, output is 233 bytes.

Expected behavior
The resulting SVG is displays the pattern.

Screenshots

Input	Output

Desktop

 SVGO Version: 3.3.2
 NodeJs Version: 20.15.1
 OS: macOS 15.2
 CPU: (12) arm64 Apple M2 Pro
 Memory: 95.89 MB / 16.00 GB
 Shell: 5.9 - /bin/zsh