Parse log plugin topics using new mqtt schema

[Ruadhri17]

Proposed changes

Replace previous log plugin topics parsing with the Mqtt schema. Additionally this PR removes current_operations field that is not used after #2108 changes.

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Improvement (general improvements like code refactoring that doesn't explicitly fix a bug or add any new functionality)
• Documentation Update (if none of the other choices apply)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Paste Link to the issue

Checklist

• I have read the CONTRIBUTING doc
• I have signed the CLA (in all commits with git commit -s)
• I ran cargo fmt as mentioned in CODING_GUIDELINES
• I used cargo clippy as mentioned in CODING_GUIDELINES
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

Further comments

[codecov]

Codecov Report

Merging #2305 (faac8d9) into main (5a52630) will increase coverage by 0.0%.
The diff coverage is 0.0%.

Additional details and impacted files

Files	Coverage Δ
crates/extensions/tedge_log_manager/src/tests.rs	92.1% <ø> (-0.1%)	⬇️
crates/extensions/tedge_log_manager/src/actor.rs	69.5% <0.0%> (+0.3%)	⬆️
plugins/tedge_log_plugin/src/lib.rs	0.0% <0.0%> (ø)
crates/extensions/tedge_log_manager/src/config.rs	0.0% <0.0%> (ø)

... and 3 files with indirect coverage changes

[albinsuresh]

Suggested change

	pub mqtt_topic_root: MqttSchema,
	pub mqtt_schema: MqttSchema,

[github-actions]

Robot Results

✅ Passed	❌ Failed	⏭️ Skipped	Total	Pass %	⏱️ Duration
301	0	3	301	100	47m55.77s

[rina23q]

LGTM