Cannot save as pdf
#### Summary:
<!-- Summarize the issue/suggestion concisely: -->
I created a complex svg file using Inksacpe.
Attempted to save as pdf.
Pdf save fails.
#### Steps to reproduce:
I created a complex svg file using Inksacpe.
Attempted to save as pdf.
Pdf save fails.
#### What happened?
I get a message saying Cannot save pdf.
#### What should have happened?
File should save as pdf.
Sample attachments:
<!-- Attach the sample file(s) highlighting the issue, if appropriate. -->{width=425 height=600}
#### Version info
```
Inkscape 1.4.3 (0d15f75, 2025-12-25)
Compile (Run)
GLib version: 2.86.3
GTK version: 3.24.51 (3.24.51)
glibmm version: 2.66.8
gtkmm version: 3.24.10
libxml2 version: 2.15.1
libxslt version: 1.1.45
Cairo version: 1.18.4 (1.18.4)
Pango version: 1.56.4 (1.56.4)
HarfBuzz version: 12.2.0 (12.2.0)
OS version: Windows 11 25H2
```
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issue