v0.9.2

this release changes:

• feature: option to snap positions in different tools to pattern and document grid
• feature: option to open files with default app from workspace browser list (thanks to @silvasch)
• improvement: sort workspace files and folders in a more intuitive way (thanks to @Doublonmousse)
• fix: initial documents opened with rnote have blurry rendering when system scale-factor is larger than 1.0
• fix: selection after nudging view only included strokes in current viewport
• fix: text files not appearing in workspacebrowser