[stable-3.9] Fix SVG rendering error in SvgImageProvider

[backportbot-nextcloud]

Backport of #5666

[codecov]

Codecov Report

Merging #5909 (1b57b31) into stable-3.9 (470a983) will increase coverage by 0.00%.
The diff coverage is 66.66%.

❗ Current head 1b57b31 differs from pull request most recent head 733bb7c. Consider uploading reports for the commit 733bb7c to get more accurate results

Additional details and impacted files

@@             Coverage Diff             @@
##           stable-3.9    #5909   +/-   ##
===========================================
  Coverage       60.45%   60.45%           
===========================================
  Files             145      145           
  Lines           18650    18653    +3     
===========================================
+ Hits            11274    11276    +2     
- Misses           7376     7377    +1     

Impacted Files	Coverage Δ
src/libsync/vfs/cfapi/cfapiwrapper.cpp	72.80% <66.66%> (-0.05%)	⬇️

[nextcloud-desktop-bot]

AppImage file: nextcloud-PR-5909-733bb7ced09191f2a71f4a5bf31ee07c6be2db4a-x86_64.AppImage

To test this change/fix you can simply download above AppImage file and test it.

Please make sure to quit your existing Nextcloud app and backup your data.

[sonarcloud]

SonarCloud Quality Gate failed.   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

76.0% Coverage
0.0% Duplication

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