Fix reactivation issue

[JimiC]

Fixes #2017

Changes proposed:

• Fix

The fix includes the following logic:

• Do nothing if it's an extension update.
• Do the cleanup only on a single installation

This fix will work when updating to the next release after the one that includes this fix.

[codecov]

Codecov Report

Merging #2019 into master will not change coverage.
The diff coverage is 100%.

@@          Coverage Diff           @@
##           master   #2019   +/-   ##
======================================
  Coverage     100%    100%           
======================================
  Files          78      78           
  Lines        5914    5948   +34     
  Branches      137     138    +1     
======================================
+ Hits         5914    5948   +34

Impacted Files	Coverage Δ
src/configuration/configManager.ts	100% <100%> (ø)	⬆️
test/configuration/configManager.test.ts	100% <100%> (ø)	⬆️

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