fix(gradle): replace internal IElementType.getDebugName() with direct type equality

Use direct == comparison on IElementType singleton instances instead of
comparing debug name strings via the internal getDebugName() API.

Implements TC-4167

Assisted-by: Claude Code

Author: ruromero

src/main/java/org/jboss/tools/intellij/componentanalysis/gradle/GradleCAUpdateManifestIntentionAction.java

@@ -46,7 +46,7 @@ protected void updateManifest(Project project, Editor editor, PsiFile file, Depe
 
     private static @NotNull PsiElement getRepositoriesFromBuildGradle(PsiFile file) {
         PsiElement repositories = Arrays.stream(file.getChildren()).filter(psi -> psi instanceof LeafPsiElement)
-                .filter(psi -> ((LeafPsiElement) psi).getElementType().getDebugName().equals(BuildGradleTypes.REPOSITORIES.getDebugName())).findFirst().get();
+                .filter(psi -> ((LeafPsiElement) psi).getElementType() == BuildGradleTypes.REPOSITORIES).findFirst().get();
         return repositories;
     }