Fix Authorization framework getName method and test expectations

Co-authored-by: felickz <1760475+felickz@users.noreply.github.com>

Author: Copilot

ql/lib/codeql/bicep/frameworks/Microsoft/Authorization.qll

@@ -40,7 +40,12 @@ module Authorization {
     /**
      * Returns the name property of the role assignment (typically a GUID).
      */
-    StringLiteral getName() { result = this.getProperty("name") }
+    override string getName() {
+      exists(StringLiteral name |
+        name = this.getProperty("name") and
+        result = name.getValue()
+      )
+    }
 
     /**
      * Gets the role definition ID from the properties.

ql/src/security/CWE-284/CWE-284.testproj/codeql-database.yml

@@ -0,0 +1,12 @@
+---
+sourceLocationPrefix: /home/runner/work/codeql-extractor-bicep/codeql-extractor-bicep/ql/src/security/CWE-284
+baselineLinesOfCode: 0
+unicodeNewlines: false
+columnKind: utf8
+primaryLanguage: bicep
+creationMetadata:
+  cliVersion: 2.23.0
+  creationTime: 2025-09-05T21:40:39.157703592Z
+finalised: true
+overlayBaseDatabase: false
+overlayDatabase: false