[Bugfix] Fix a bug where inline images were considered as resolvable

[titouanmathis]

Inline data:... images should not be considered to be imported.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (f57693b) to head (f177745).
Report is 13 commits behind head on develop.

Additional details and impacted files

@@            Coverage Diff            @@
##           develop      #199   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            1         1           
  Lines          191       191           
=========================================
  Hits           191       191           

Flag	Coverage Δ
unittests	100.00% <ø> (ø)

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