[RHELC-1761] Format messages for consistency

[bocekm]

• no full stop at the end of a title
• no word please (technical writers' rule)
• unique message ids
• fix typos
• add missing context where messages are too short and vague

Jira Issues:

• RHELC-1761

Checklist

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

[has-bot]

/packit test --labels tier0

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.11%. Comparing base (3ab1a44) to head (9ababfc).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1438   +/-   ##
=======================================
  Coverage   96.11%   96.11%           
=======================================
  Files          72       72           
  Lines        5177     5177           
  Branches      896      896           
=======================================
  Hits         4976     4976           
  Misses        119      119           
  Partials       82       82           

Flag	Coverage Δ
centos-linux-7	91.63% <66.66%> (ø)
centos-linux-8	92.49% <66.66%> (ø)
centos-linux-9	92.61% <66.66%> (ø)

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[has-bot]

/packit test --labels sanity

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Log | Bot Usage