Fix typos in vulnerability scanners GraphQL and should typo in files

What does this MR do?

This MR fixes some typos in the GraphQL queries to retrieve vulnerability scanners. The queries are currently unused, but this fix will make them work properly once they are used.

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