[8.6] [SecuritySolution] Update area chart settings for user authenti…

…cations (elastic#145896) (elastic#146007)

# Backport

This will backport the following commits from `main` to `8.6`:
- [[SecuritySolution] Update area chart settings for user
authentications
(elastic#145896)](elastic#145896)

<!--- Backport version: 8.9.7 -->

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

<!--BACKPORT [{"author":{"name":"Angela
Chuang","email":"[email protected]"},"sourceCommit":{"committedDate":"2022-11-22T15:02:16Z","message":"[SecuritySolution]
Update area chart settings for user authentications (elastic#145896)\n\n##
Summary\r\n\r\nOriginal issue: Title of x-axis on user authentications
area chart\r\nshould be
hidden.\r\nhttps://github.com/elastic/issues/145836\r\n\r\n<img\r\nsrc=\"https://user-images.githubusercontent.com/108654988/203034916-ced5dec7-5bca-44e6-a21f-21a8d5e5ccda.jpg\"\r\n/>\r\n\r\n###
Checklist\r\n\r\nDelete any items that are not applicable to this
PR.\r\n\r\n\r\n- [x] [Unit or
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Update area chart settings for user authentications (elastic#145896)\n\n##
Summary\r\n\r\nOriginal issue: Title of x-axis on user authentications
area chart\r\nshould be
hidden.\r\nhttps://github.com/elastic/issues/145836\r\n\r\n<img\r\nsrc=\"https://user-images.githubusercontent.com/108654988/203034916-ced5dec7-5bca-44e6-a21f-21a8d5e5ccda.jpg\"\r\n/>\r\n\r\n###
Checklist\r\n\r\nDelete any items that are not applicable to this
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Update area chart settings for user authentications (elastic#145896)\n\n##
Summary\r\n\r\nOriginal issue: Title of x-axis on user authentications
area chart\r\nshould be
hidden.\r\nhttps://github.com/elastic/issues/145836\r\n\r\n<img\r\nsrc=\"https://user-images.githubusercontent.com/108654988/203034916-ced5dec7-5bca-44e6-a21f-21a8d5e5ccda.jpg\"\r\n/>\r\n\r\n###
Checklist\r\n\r\nDelete any items that are not applicable to this
PR.\r\n\r\n\r\n- [x] [Unit or
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BACKPORT-->

Co-authored-by: Angela Chuang <[email protected]>

x-pack/plugins/security_solution/public/common/components/visualization_actions/lens_attributes/users/kpi_user_authentications_area.ts

@@ -15,7 +15,7 @@ export const kpiUserAuthenticationsAreaLensAttributes: LensAttributes = {
   state: {
     visualization: {
       axisTitlesVisibilitySettings: {
-        x: true,
+        x: false,
         yLeft: false,
         yRight: true,
       },