[Statistics] Remove logged error related to the creation of an existent index

[Desvelao]

Description

This PR removes the logging when there is an error checking or creating the index.

If the error is not related to creating an existent index, this is thrown, caught, and logged in another method.

More information in:

• Error messages on a clean install—error app log messages #4203 (comment)

The plugin logs, it should look similar to the screenshot when is initiated:

compare to the error seen in:

Closes #4203

Tests

• It should not be logged an error related to resource_already_exists_exception when creating the index of statistics job.
  Requirements:
  • Secure that depending on the statistics job configuration, a new index should be created when the job runs.
  • Give to the internal Kibana user, permissions to create and index data in the indices related to the statistics job

[AlexRuiz7]

• Code Review: ✔️
• Test: ✔️

[yenienserrano]

LGTM

[github-actions]

The backport to 4.3-7.16 failed:

The process '/usr/bin/git' failed with exit code 1

To backport manually, run these commands in your terminal:

# Fetch latest updates from GitHub
git fetch
# Create a new working tree
git worktree add .worktrees/backport-4.3-7.16 4.3-7.16
# Navigate to the new working tree
cd .worktrees/backport-4.3-7.16
# Create a new branch
git switch --create backport-4235-to-4.3-7.16
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x --mainline 1 ad2c9c414acb327bd36573c297a4e04d8e77248e
# Push it to GitHub
git push --set-upstream origin backport-4235-to-4.3-7.16
# Go back to the original working tree
cd ../..
# Delete the working tree
git worktree remove .worktrees/backport-4.3-7.16

Then, create a pull request where the base branch is 4.3-7.16 and the compare/head branch is backport-4235-to-4.3-7.16.

[github-actions]

The backport to 4.3-1.2-wzd failed:

The process '/usr/bin/git' failed with exit code 1

To backport manually, run these commands in your terminal:

# Fetch latest updates from GitHub
git fetch
# Create a new working tree
git worktree add .worktrees/backport-4.3-1.2-wzd 4.3-1.2-wzd
# Navigate to the new working tree
cd .worktrees/backport-4.3-1.2-wzd
# Create a new branch
git switch --create backport-4235-to-4.3-1.2-wzd
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x --mainline 1 ad2c9c414acb327bd36573c297a4e04d8e77248e
# Push it to GitHub
git push --set-upstream origin backport-4235-to-4.3-1.2-wzd
# Go back to the original working tree
cd ../..
# Delete the working tree
git worktree remove .worktrees/backport-4.3-1.2-wzd

Then, create a pull request where the base branch is 4.3-1.2-wzd and the compare/head branch is backport-4235-to-4.3-1.2-wzd.

[github-actions]

Jest Test Coverage	%	values
Statements	4.09%	( 1489 / 36387 )
Branches	1.67%	( 473 / 28242 )
Functions	3.06%	( 272 / 8898 )
Lines	4.14%	( 1440 / 34804 )