Fix for issue with overrides file not writing correctly

[rudyflores]

Proposed changes

Turns out our issue with the breaking Theia test wasn't due to multiple calls to ProfilesInfo occuring on credential management load, the issue was a missing error handling for when reading the imperative.json file, since in Theia the file doesn't exist initially in our tests.

Release Notes

Milestone: v2.12.0

Changelog: Fixed issue with writeOverridesFile function not writing properly

Types of changes

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• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
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Further comments

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Files	Coverage Δ
packages/zowe-explorer/src/utils/ProfilesUtils.ts	92.10% <100.00%> (+0.14%)	⬆️

... and 1 file with indirect coverage changes

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[zFernand0]

Good catch!
LGTM! 😋

Q: do we want to merge this before the release, or as a patch in the maintenance branch?

(I don't see a problem with just getting this in 2.12.0)

[rudyflores]

@t1m0thyj @zFernand0 here's the scenarios to test with this PR to make sure behavior is still the same #2492

[traeok]

LGTM, thanks @rudyflores!

[zFernand0]

Hey Rudy,
I was able to see the pop-ups (from the other PR with the K8s-secrets). 😋
Sorry for not reporting this sooner😅