[8.19] [Synthetics] Package policy exclude disabled inputs !! (#229595) (#229882)

# Backport

This will backport the following commits from `main` to `8.19`:
- [[Synthetics] Package policy exclude disabled inputs !!
(#229595)](#229595)

<!--- Backport version: 9.6.6 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sorenlouv/backport)

<!--BACKPORT
[{"author":{"name":"Shahzad","email":"[email protected]"},"sourceCommit":{"committedDate":"2025-07-29T19:46:29Z","message":"[Synthetics]
Package policy exclude disabled inputs !! (#229595)\n\n##
Summary\n\nPackage policy exclude disabled inputs, they play no role in
compiled\ninput yaml.\n\n### Testing\n\nCreate few http, browser
monitors etc and make sure agent policy yaml\ngets generated as
expected\n\nYaml can be viewed from agent policy home\n\n<img
width=\"1620\" height=\"619\"
alt=\"image\"\nsrc=\"https://github.com/user-attachments/assets/553a1db1-4141-4d37-a99a-c0348056a33f\"\n/>","sha":"c38abd4ba1ff2ef64da187000e34d6450e9c2929","branchLabelMapping":{"^v9.2.0$":"main","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["release_note:skip","ci:project-deploy-observability","Team:obs-ux-management","backport:version","author:obs-ux-management","v9.2.0","v9.1.1","v8.19.1"],"title":"[Synthetics]
Package policy exclude disabled inputs
!!","number":229595,"url":"https://github.com/elastic/kibana/pull/229595","mergeCommit":{"message":"[Synthetics]
Package policy exclude disabled inputs !! (#229595)\n\n##
Summary\n\nPackage policy exclude disabled inputs, they play no role in
compiled\ninput yaml.\n\n### Testing\n\nCreate few http, browser
monitors etc and make sure agent policy yaml\ngets generated as
expected\n\nYaml can be viewed from agent policy home\n\n<img
width=\"1620\" height=\"619\"
alt=\"image\"\nsrc=\"https://github.com/user-attachments/assets/553a1db1-4141-4d37-a99a-c0348056a33f\"\n/>","sha":"c38abd4ba1ff2ef64da187000e34d6450e9c2929"}},"sourceBranch":"main","suggestedTargetBranches":["9.1","8.19"],"targetPullRequestStates":[{"branch":"main","label":"v9.2.0","branchLabelMappingKey":"^v9.2.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/229595","number":229595,"mergeCommit":{"message":"[Synthetics]
Package policy exclude disabled inputs !! (#229595)\n\n##
Summary\n\nPackage policy exclude disabled inputs, they play no role in
compiled\ninput yaml.\n\n### Testing\n\nCreate few http, browser
monitors etc and make sure agent policy yaml\ngets generated as
expected\n\nYaml can be viewed from agent policy home\n\n<img
width=\"1620\" height=\"619\"
alt=\"image\"\nsrc=\"https://github.com/user-attachments/assets/553a1db1-4141-4d37-a99a-c0348056a33f\"\n/>","sha":"c38abd4ba1ff2ef64da187000e34d6450e9c2929"}},{"branch":"9.1","label":"v9.1.1","branchLabelMappingKey":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"state":"NOT_CREATED"},{"branch":"8.19","label":"v8.19.1","branchLabelMappingKey":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"state":"NOT_CREATED"}]}]
BACKPORT-->

Co-authored-by: Shahzad <[email protected]>

Author: kibanamachine