[Prometheus] [remote_write] Enable tsdb on remote_write datastream

[tetianakravchenko]

What does this PR do?

Enable tsdb on remote_write datastream

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

Tested with https://github.com/elastic/TSDB-migration-test-kit:

Index being used for the settings and mappings is .ds-metrics-prometheus.remote_write-default-2023.08.29-000002.

The time series fields for the TSDB index are: 
        - dimension (9 fields):
                - agent.id
                - cloud.account.id
                - cloud.availability_zone
                - cloud.instance.id
                - cloud.provider
                - cloud.region
                - container.id
                - host.name
                - prometheus.labels_fingerprint
        ...
        - routing_path (9 fields):
                - agent.id
                - cloud.account.id
                - cloud.availability_zone
                - cloud.instance.id
                - cloud.provider
                - cloud.region
                - container.id
                - host.name
                - prometheus.labels_fingerprint

Index tsdb-index-enabled successfully created.

Copying documents from .ds-metrics-prometheus.remote_write-default-2023.08.29-000001 to tsdb-index-enabled...
All 50000 documents taken from index .ds-metrics-prometheus.remote_write-default-2023.08.29-000001 were successfully placed to index tsdb-index-enabled.

Related issues

Screenshots

[Metrics Prometheus] Prometheus Server overview dashboard works as expected after enabling tsdb:

[elasticmachine]

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• Start Time: 2023-08-30T08:54:34.205+0000

• Duration: 15 min 2 sec

Test stats 🧪

Test	Results
Failed	0
Passed	9
Skipped	0
Total	9

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Package prometheus - 1.11.0 containing this change is available at https://epr.elastic.co/search?package=prometheus