fixing online discovery of ServerTemplate Cluster attribute (#1422)

Author: robertpatrick

core/src/main/resources/oracle/weblogic/deploy/aliases/category_modules/ServerTemplate.json

@@ -1555,7 +1555,7 @@
         ],
         "CleanupOrphanedSessionsEnabled":               [ {"version": "[12.2.1.4,)",     "wlst_mode": "both",    "wlst_name": "CleanupOrphanedSessionsEnabled",               "wlst_path": "WP001", "default_value": "false",               "wlst_type": "boolean"          } ],
         "ClientCertProxyEnabled":                       [ {"version": "[12.1.2,)",       "wlst_mode": "both",    "wlst_name": "ClientCertProxyEnabled",                       "wlst_path": "WP001", "default_value": "false",               "wlst_type": "boolean"          } ],
-        "Cluster":                                      [ {"version": "[12.1.2,)",       "wlst_mode": "both",    "wlst_name": "Cluster",                                      "wlst_path": "WP001", "default_value": null,                  "wlst_type": "string",          "get_method": "LSA", "set_method": "${:MBEAN.set_cluster_mbean}", "set_mbean_type": "${:weblogic.management.configuration.ClusterMBean}" } ],
+        "Cluster":                                      [ {"version": "[12.1.2,)",       "wlst_mode": "both",    "wlst_name": "Cluster",                                      "wlst_path": "WP001", "default_value": null,                  "wlst_type": "string",          "get_method": "${LSA:GET}", "set_method": "${:MBEAN.set_cluster_mbean}", "set_mbean_type": "${:weblogic.management.configuration.ClusterMBean}" } ],
         "ClusterWeight":                                [ {"version": "[12.1.2,)",       "wlst_mode": "both",    "wlst_name": "ClusterWeight",                                "wlst_path": "WP001", "default_value": 100,                   "wlst_type": "integer"          } ],
         "CoherenceClusterSystemResource":               [ {"version": "[12.1.2,)",       "wlst_mode": "both",    "wlst_name": "CoherenceClusterSystemResource",               "wlst_path": "WP001", "default_value": null,                  "wlst_type": "string",          "get_method": "LSA", "set_method": "${:MBEAN.set_coherence_cluster_mbean}", "set_mbean_type": "${:weblogic.management.configuration.CoherenceClusterSystemResourceMBean}" } ],
         "CompleteCOMMessageTimeout":                    [ {"version": "[12.1.2,)",       "wlst_mode": "both",    "wlst_name": "CompleteCOMMessageTimeout",                    "wlst_path": "WP001", "default_value": -1,                    "wlst_type": "integer"          } ],