Task/1808 check if correct iconurl is set for events during deployretrieve

[JoernBerkefeld]

PR details

What changes did you make? (Give an overview)

• closes [TASK] check if correct iconUrl is set for events during deploy/retrieve #1808

Further details (optional)

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Checklist

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• test scripts updated
• Wiki updated (if applicable)

[github-actions]

Coverage Report

Commit:88e482a
Base: develop@82d7dc5

Type	Base	This PR
Total Statements Coverage	69.75%	69.75%  (+0%)
Total Branches Coverage	68.44%	68.46%  (+0.02%)
Total Functions Coverage	81.59%	81.59%  (+0%)
Total Lines Coverage	69.75%	69.75%  (+0%)

Details (changed files):

File	Statements	Branches	Functions	Lines
lib/metadataTypes/Event.js	54.34%	38.57%	70%	54.34%
lib/metadataTypes/MetadataType.js	82.89%	79.73%	76.54%	82.89%