* [MM-68393] Tighten protected role patch authorization (#36197)
* [MM-68393] Tighten protected role patch authorization
Harden role patch authorization for protected system roles and cover the restricted paths with focused API tests.
Made-with: Cursor
* [MM-68393] Fix role patch test shadowing
Rename shadowing response variables in the protected role patch tests so govet passes in core and enterprise check-style jobs.
Made-with: Cursor
* [MM-68393] Block privileged role permissions
Made-with: Cursor
(cherry picked from commit 99b73d4c4acf5ff3546c2548a5aaa804c2aa1b04)
* Fix role patch tests for release-10.11 context and LoginSystemManager APIs
Co-authored-by: Cursor <cursoragent@cursor.com>
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Co-authored-by: Nick Misasi <nick.misasi@mattermost.com>
Co-authored-by: Cursor <cursoragent@cursor.com>