Add ability to disable Export to - URL via configuration

[sebastian-blandon]

Hello there!

This feature is critical for security compliance, as it prevents diagrams from being exposed to 'viewer.diagrams.net'.

Citing @Xandrr in #4336

Is your feature request related to a problem? Please describe.
Security compliance

Describe the solution you'd like
We need to disable "export URL" function in our local instance of draw.io due security reasons.

Describe alternatives you've considered
I should manual edit file in my local repository:
src/main/webapp/js/diagramly/Editor.js
@@ -174,7 +174,7 @@
/**

• Disables the export URL function.
  */
  Editor.enableExportUrl = true;
  Editor.enableExportUrl = false;

Additional context
Add any other context or screenshots about the feature request here.

[draw-io-triage-bot]

👋 Thank you for opening this issue!

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Summary: User is requesting the ability to disable the 'Export to URL' function for security compliance reasons, citing an existing closed issue #4336 with the same request.

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💡 Possible Solution Found

We found a potentially relevant solution in a previous issue:

This appears to be a duplicate of issue #4336 which was already closed. The user is citing a comment from that issue and requesting the same feature. The solution may already exist or have been implemented - the user should check the closed issue #4336 for the current status and any implemented solution.

📎 Source: #4336

Please check if this addresses your issue. If not, let us know what's different about your situation.

🔍 Possible Related Issues

This issue might be related to existing issues:

🔴 #4336 - Add ability to disable Export to - URL via configuration
This appears to be an exact duplicate - same title and the user is explicitly citing a comment from this closed issue

🟡 #4562 - Prompt before transmitting diagram during PDF export
Related to security concerns about data transmission, though focused on PDF export rather than URL export

Please check if any of these address your issue. If this is a duplicate, we may close this issue and continue the conversation there.

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_{🤖 This is an automated response to help with initial triage. A human maintainer will review this issue. If you've provided all the requested information, no further action is needed - we'll get back to you soon!}