SIGTRAP on save (appimage in Ubuntu 14.04)
#### Steps to reproduce:
<!-- Describe what you did (step-by-step) so we can reproduce: -->
1) fresh configs
2) start inkscape
3) modify the document (i.e. drawing a shape)
4) (menu) "File" > "Save"
#### What happened?
Inkscape becomes unresponsive, GDB in terminal says: "received signal SIGTRAP"
#### What should have happened?
Open the file chooser in order to save the document.
#### Inkscape Version and Operating System:
- Inkscape Version: Appimage Inkscape 1.0beta1 (fe3e306, 2019-09-17) <!-- (run inkscape -V or copy from Help → About Inkscape, top right) -->
- Operating System: Ubuntu
- Operating System version: 14.04
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-->[2019-11-19_inkscape_saveas_SIGTRAP.txt](/uploads/f3cbcf4e3777fd0f7f73520ffa5579f8/2019-11-19_inkscape_saveas_SIGTRAP.txt)
issue