MLE-22761 docker init fix

[vitalykorolev]

Description

• Update startup script (root and rootless) to increase maximum curl timeout and to only call - /admin/v1/instance-admin endpoint once since it's idempotent.
• Add a test for high latency
• Add an option to the pipeline to run specific e2e test
• Schedule high latency test to run weekly on each version of MarkLogic

Checklist:

• Owner:

• JIRA_ID as part of branch/PR name

• Rebase the branch with upstream

• Squashed all commits into a single commit

• Added Tests

• Reviewer:

• Reviewed Tests

• Added to Release Wiki/Jira

[Copilot]

Pull Request Overview

This PR addresses initialization timeout issues in high-latency environments by increasing curl timeout values and retry counts for Docker container initialization. It adds configuration for handling network latency during MarkLogic server startup.

• Increases default curl timeout from 30 to 300 seconds and retry count from 5 to 15
• Adds special handling for non-idempotent instance-admin endpoint to prevent multiple calls
• Creates test infrastructure to simulate high-latency network conditions

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 5 comments.

File	Description
test/keywords.resource	Adds new keyword for creating containers with simulated network latency
test/docker-tests.robot	Adds test case to verify container initialization under high-latency conditions
src/scripts/start-marklogic.sh	Updates curl timeouts, retry logic, and adds special handling for instance-admin endpoint
src/scripts/start-marklogic-rootless.sh	Same timeout and retry improvements as main script for rootless containers

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