Fix regression when uploading / viewing binary files in the Web IDE

What does this MR do?

Currently when you upload a binary file or an image, the Web IDE renders it as base 64 content instead of rendering the image/download viewers for this file. Potentially caused after merging !42393 (merged).

Screenshots

Case	Current State	Expected state after this MR
Uploading an image
Uploading a binary file. Note the blob url in the footer
Open existing binary file. Note the actual raw url url in the footer
Open existing image file

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content

Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• Tested in all supported browsers
• Informed Infrastructure department of a default or new setting change, if applicable per definition of done

Security

If this MR contains changes to processing or storing of credentials or tokens, authorization and authentication methods and other items described in the security review guidelines:

• Label as security and @ mention @gitlab-com/gl-security/appsec
• The MR includes necessary changes to maintain consistency between UI, API, email, or other methods
• Security reports checked/validated by a reviewer from the AppSec team