Preserve Original Event not implemented for multiple integrations

[ishleenk17]

As a followup to #3451 , we need to ensure that the preserve original event logic in present in all the log ingest pipelines across Integrations.

The Preserve Original Toggle is present by default in all Integrations as seen below:

Hence, the logic of what happens if toggle is enabled/disabled also needs to be present across Integrations.

Scope of the task: Identify the Integrations that don't have this logic and add it to the pipelines.

[ishleenk17]

While working on this, lets keep this PR in mind.