Issue #3586285: Add configure links to Context Control Center.

Description

This adds the Configure links to the Context Control Center modules.

Closes #3586285 (closed)

Testing instructions

1. Visit admin/modules
2. Filter the list by context
3. Expand the Context Control Center and Document Loader: Context Importer descriptions
4. Expect to see the "Configure" links in the list

Checklist

• I have updated the MR title to use format: Issue #1234: My issue title.
• I have updated the MR description to include: Closes #1234
• I have performed a self-review of my own code
• I have added or updated tests, or explained in the description why this change is not covered by tests
• I have updated documentation for any new or changed functionality
• I have written testing instructions and verified them locally
• I have noted any required post-merge steps (config imports, cache rebuilds, manual changes)
• This MR contains no breaking API or hook changes, or they are explicitly documented in the description

AI Compliance

I did not use AI for this MR.

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Closes #3586285 (closed)