#1886 fix npm based commandlet shows wrong tool version

[AdemZarrouki]

This PR fixes #1886

Implemented changes:

• Override getInstalledVersion in NpmBasedCommandlet to ignore the toolPath parameter and use npm package manager to detect the actual installed version of the tool.

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• When running mvn clean test locally all tests pass and build is successful
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[coveralls]

Coverage Report for CI Build 25550067304

Coverage decreased (-0.01%) to 70.688%

Details

• Coverage decreased (-0.01%) from the base build.
• Patch coverage: No coverable lines changed in this PR.
• 5 coverage regressions across 3 files.

Uncovered Changes

No uncovered changes found.

Coverage Regressions

5 previously-covered lines in 3 files lost coverage.

File	Lines Losing Coverage	Coverage
com/devonfw/tools/ide/tool/npm/NpmBasedCommandlet.java	3	84.62%
com/devonfw/tools/ide/tool/ide/IdeToolCommandlet.java	1	78.33%
com/devonfw/tools/ide/version/VersionSegment.java	1	90.55%

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Coverage Stats

Relevant Lines:	15413
Covered Lines:	11352
Line Coverage:	73.65%
Relevant Branches:	6882
Covered Branches:	4408
Branch Coverage:	64.05%
Branches in Coverage %:	Yes
Coverage Strength:	3.11 hits per line

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💛 - Coveralls

[areinicke]

I have confirmed it works and the few lines of code you added look good. Nice job!