VENOM-439: Fix ~/.config/tox folder not created before saving

[naxuroqa]

Fixes #439

[codecov-io]

Codecov Report

Merging #442 into release-0.5.1 will increase coverage by 0.39%.
The diff coverage is 0%.

@@               Coverage Diff                @@
##           release-0.5.1    #442      +/-   ##
================================================
+ Coverage           5.52%   5.92%   +0.39%     
================================================
  Files                 85      78       -7     
  Lines               6259    5249    -1010     
================================================
- Hits                 346     311      -35     
+ Misses              5913    4938     -975

Impacted Files	Coverage Δ
src/tox/ToxAdapterFiletransferListener.vala	16.5% <0%> (ø)	⬆️
src/view/UserInfoWidget.vala	0% <0%> (ø)	⬆️
src/viewmodel/UserInfoViewModel.vala	0% <0%> (ø)	⬆️
src/av/PhotoboothWindow.vala
src/tox/ToxSelfAdapter.vala
src/tox/ToxFiletransferAdapter.vala
src/av/CropWidget.vala
src/av/Photobooth.vala
src/tox/ToxFriendAdapter.vala
src/tox/ToxConferenceAdapter.vala

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 0b44acc...4f76481. Read the comment docs.