qnap_nas: convert visualisations to lens

[efd6]

What does this PR do?

See title.

Checklist

• I have reviewed tips for building integrations and this pull request is aligned with them.
• I have verified that all data streams collect metrics or logs.
• I have added an entry to my package's changelog.yml file.
• I have verified that Kibana version constraints are current according to guidelines.

Author's Checklist

• [ ]

How to test this PR locally

Related issues

• For Serverless - Migrate integration dashboards to Lens #6787

Screenshots

[elasticmachine]

💚 Build Succeeded

the below badges are clickable and redirect to their specific view in the CI or DOCS

Expand to view the summary

Build stats

• Start Time: 2023-07-11T04:59:37.898+0000

• Duration: 16 min 58 sec

Test stats 🧪

Test	Results
Failed	0
Passed	11
Skipped	0
Total	11

🤖 GitHub comments

Expand to view the GitHub comments

To re-run your PR in the CI, just comment with:

• /test : Re-trigger the build.

[elasticmachine]

🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (1/1)	💚
Files	100.0% (1/1)	💚 2.861
Classes	100.0% (1/1)	💚 2.861
Methods	100.0% (14/14)	💚 7.719
Lines	95.142% (235/247)	👍 4.001
Conditionals	100.0% (0/0)	💚

[elasticmachine]

Pinging @elastic/security-external-integrations (Team:Security-External Integrations)

[kcreddy]

LGTM

[elasticmachine]

Package qnap_nas - 1.12.0 containing this change is available at https://epr.elastic.co/search?package=qnap_nas