feat: added the sourceFilename property to asset info with original…

[alexander-akait]

… filename

This PR contains a:

• bugfix
• new feature
• code refactor
• test update
• typo fix
• metadata update

Motivation / Use-Case

for compatibility reasons

Breaking Changes

No

Additional Info

No

[codecov]

Codecov Report

Merging #393 into master will decrease coverage by 12.72%.
The diff coverage is 58.82%.

@@             Coverage Diff              @@
##            master     #393       +/-   ##
============================================
- Coverage   100.00%   87.27%   -12.73%     
============================================
  Files            2        3        +1     
  Lines           38       55       +17     
  Branches        15       20        +5     
============================================
+ Hits            38       48       +10     
- Misses           0        6        +6     
- Partials         0        1        +1     

Impacted Files	Coverage Δ
src/utils.js	56.25% <56.25%> (ø)
src/index.js	100.00% <100.00%> (ø)

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