we need to compare to 'true' because we might get null on the left side which...

we need to compare to 'true' because we might get null on the left side which cannot be resolved to boolean

rest-api/src/main/java/lcsb/mapviewer/api/projects/overlays/OverlayController.java

@@ -60,7 +60,7 @@ public class OverlayController extends BaseController {
   @PreAuthorize("hasAuthority('IS_ADMIN')" +
       " or hasAuthority('IS_CURATOR') and hasAuthority('READ_PROJECT:' + #projectId)" +
       " or hasAuthority('READ_PROJECT:' + #projectId) and " +
-      "   (@layoutService.getLayoutById(#overlayId)?.creator?.login == authentication.name or @layoutService.getLayoutById(#overlayId)?.publicLayout)")
+      "   (@layoutService.getLayoutById(#overlayId)?.creator?.login == authentication.name or @layoutService.getLayoutById(#overlayId)?.publicLayout == true)")
   @GetMapping(value = "/{overlayId}/models/{modelId}/bioEntities/")
   public List<Map<String, Object>> getOverlayElements(
       @PathVariable(value = "projectId") String projectId,
@@ -72,7 +72,7 @@ public class OverlayController extends BaseController {
   @PreAuthorize("hasAuthority('IS_ADMIN')" +
       " or hasAuthority('IS_CURATOR') and hasAuthority('READ_PROJECT:' + #projectId)" +
       " or hasAuthority('READ_PROJECT:' + #projectId) and " +
-      "   (@layoutService.getLayoutById(#overlayId)?.creator?.login == authentication.name or @layoutService.getLayoutById(#overlayId)?.publicLayout)")
+      "   (@layoutService.getLayoutById(#overlayId)?.creator?.login == authentication.name or @layoutService.getLayoutById(#overlayId)?.publicLayout == true)")
   @GetMapping(value = "/{overlayId}/models/{modelId}/bioEntities/reactions/{reactionId}/")
   public Map<String, Object> getFullReaction(
       @PathVariable(value = "projectId") String projectId,
@@ -88,7 +88,7 @@ public class OverlayController extends BaseController {
   @PreAuthorize("hasAuthority('IS_ADMIN')" +
       " or hasAuthority('IS_CURATOR') and hasAuthority('READ_PROJECT:' + #projectId)" +
       " or hasAuthority('READ_PROJECT:' + #projectId) and " +
-      "   (@layoutService.getLayoutById(#overlayId)?.creator?.login == authentication.name or @layoutService.getLayoutById(#overlayId)?.publicLayout)")
+      "   (@layoutService.getLayoutById(#overlayId)?.creator?.login == authentication.name or @layoutService.getLayoutById(#overlayId)?.publicLayout == true)")
   @GetMapping(value = "/{overlayId}/models/{modelId}/bioEntities/elements/{elementId}/")
   public Map<String, Object> getFullSpecies(
       @PathVariable(value = "projectId") String projectId,
@@ -147,7 +147,7 @@ public class OverlayController extends BaseController {
   @PreAuthorize("hasAuthority('IS_ADMIN')" +
       " or hasAuthority('IS_CURATOR') and hasAuthority('READ_PROJECT:' + #projectId)" +
       " or hasAuthority('READ_PROJECT:' + #projectId) and " +
-      "   (@layoutService.getLayoutById(#overlayId)?.creator?.login == authentication.name or @layoutService.getLayoutById(#overlayId)?.publicLayout)")
+      "   (@layoutService.getLayoutById(#overlayId)?.creator?.login == authentication.name or @layoutService.getLayoutById(#overlayId)?.publicLayout == true)")
   @GetMapping(value = "/{overlayId}:downloadSource")
   public ResponseEntity<byte[]> getOverlaySource(
       @PathVariable(value = "projectId") String projectId,