[RHELC-1672] Fix edge case of kernel meta package not the on system

[danmyway]

• when there is just the kernel-core package on the system and the meta kernel package is removed, the yum call to install kernel actually installs the meta-package and leaves already_installed variable unmatched

Jira Issues:

• RHELC-1672

Checklist

• [x] PR has been tested manually in a VM (either author or reviewer)
• [x] Jira issue has been made public if possible
• [x] [RHELC-] or [HMS-] is part of the PR title
• [x] GitHub label has been added to help with Release notes
• [x] PR title explains the change from the user's point of view
• [x] Code and tests are documented properly
• [x] The commits are squashed to as few commits as possible (without losing data)
• [x] When merged: Jira issue has been updated to Release Pending if relevant

[has-bot]

This PR does not require integration tests to be run.

---

Comment generated by an automation.

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 96.43%. Comparing base (bd4e38a) to head (7766d57). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1353 +/- ## ======================================= Coverage 96.43% 96.43% ======================================= Files 66 66 Lines 4996 4998 +2 Branches 876 877 +1 ======================================= + Hits 4818 4820 +2 Misses 101 101 Partials 77 77 ``` | [Flag](https://app.codecov.io/gh/oamg/convert2rhel/pull/1353/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=oamg) | Coverage Δ | | |---|---|---| | [centos-linux-7](https://app.codecov.io/gh/oamg/convert2rhel/pull/1353/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=oamg) | `91.86% <100.00%> (+<0.01%)` | :arrow_up: | | [centos-linux-8](https://app.codecov.io/gh/oamg/convert2rhel/pull/1353/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=oamg) | `92.75% <100.00%> (+<0.01%)` | :arrow_up: | | [centos-linux-9](https://app.codecov.io/gh/oamg/convert2rhel/pull/1353/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=oamg) | `92.79% <100.00%> (+<0.01%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=oamg#carryforward-flags-in-the-pull-request-comment) to find out more.

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[danmyway]

/packit test --labels tier1

[danmyway]

Test failures unrelated, merging