#1673: log error instead of throwing if installation version already present

[hohwille]

This PR fixes #1673

Implemented changes:

• do not throw error but log error if installation version of IDEasy is already present.

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Checklist for this PR

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• When running mvn clean test locally all tests pass and build is successful
• PR title is of the form #«issue-id»: «brief summary» (e.g. #921: fixed setup.bat). If no issue ID exists, title only.
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[coveralls]

Pull Request Test Coverage Report for Build 21177134407

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 31 unchanged lines in 1 file lost coverage.
• Overall coverage increased (+0.01%) to 70.457%

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Files with Coverage Reduction	New Missed Lines	%
com/devonfw/tools/ide/tool/IdeasyCommandlet.java	31	72.21%

Totals
Change from base Build 21174441650:	0.01%
Covered Lines:	10480
Relevant Lines:	14289

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💛 - Coveralls