[O11y][IIS] Migrate Webserver Process Overview dashboard visualizations to lens in kibana 8.5.0

[rajvi-patel-22]

• Enhancement

What does this PR do?

• Migrate visualizations to lens for IIS integration package

• Statistics for IIS Lens migration:

IIS dashboard	Before Migration		After Migration
	Lens	Visualization	Lens	Visualization
[Metrics IIS] Webserver Process Overview	0	12	11	1
	0	12	11	1

Note: 1 markdown panel has not been migrated because we don't have any alternatives in lens for markdown.

Checklist

• I have added an entry to my package's changelog.yml file.
• I have verified that panels are populated with data.
• I have verified that panels are not distorted after being migrated to lens.
• I have updated screenshots of dashboard.
• I have verified that data count are matching and panel aggregations are same as before.

Author's Checklist

• Migrated panels should be removed from visualization folder.
• Migrated visualizations are populating in current Kibana version 8.5.0 itself.

Related issues

• Relates Lens Migration of OBS integrations #5221

[elasticmachine]

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Build stats

• Start Time: 2023-04-13T07:29:36.740+0000

• Duration: 14 min 31 sec

Test stats 🧪

Test	Results
Failed	0
Passed	29
Skipped	0
Total	29

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🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (2/2)	💚
Files	100.0% (2/2)	💚
Classes	100.0% (2/2)	💚
Methods	85.714% (30/35)	❕
Lines	93.772% (271/289)	❕
Conditionals	100.0% (0/0)	💚

[kush-elastic]

LGTM!

[agithomas]

LGTM!