[resources][processconfig] fix '_check_dump_file' ignore output section and "pipeline/save_steps"

nabu/resources/processconfig.py

@@ -579,9 +579,12 @@ class ProcessConfig:
                 "configuration/nabu_config"
             )
         )
-        sections_to_ignore = ["reconstruction"]
+        sections_to_ignore = ["reconstruction", "output"]
         for section in sections_to_ignore:
             filedump_nabu_config[section] = self.nabu_config[section]
+        if "pipeline" in filedump_nabu_config and "save_steps" in filedump_nabu_config["pipeline"]:
+            filedump_nabu_config["pipeline"]["save_steps"] = self.nabu_config["pipeline"]["save_steps"]
+        filedump_nabu_config[section] = self.nabu_config[section]
         diff = compare_dicts(filedump_nabu_config, self.nabu_config)
         if diff is not None:
             msg = "Nabu configuration in file %s differ from the current one: %s" % (process_file, diff)