if result is a layer, then open it

otb/OTBAlgorithm.py

@@ -272,4 +272,7 @@ class OTBAlgorithm(QgsProcessingAlgorithm):
         OTBUtils.executeOtb(command, feedback)
 
         result = {}
+        for out in self.destinationParameterDefinitions():
+            filePath = self.parameterAsOutputLayer(parameters, out.name(), context)
+            result[out.name()] = filePath
         return result