Mount delete, refresh and default to new folder for mount create (#7702)

* Mount delete, refresh and default to new folder for mount create
- Delete mount action added
- Refresh mount action added
- Added "mymount" to theend of existing path so that we don't use already-existing HDFS folder. The call fails unless folder doesn't exist

extensions/big-data-cluster/package.json

@@ -49,6 +49,14 @@
 				{
 					"command": "bigDataClusters.command.mount",
 					"when": "false"
+				},
+				{
+					"command": "bigDataClusters.command.refreshmount",
+					"when": "false"
+				},
+				{
+					"command": "bigDataClusters.command.deletemount",
+					"when": "false"
 				}
 			],
 			"view/title": [
@@ -80,6 +88,16 @@
 					"command": "bigDataClusters.command.mount",
 					"when": "nodeType=~/^mssqlCluster/ && nodeType!=mssqlCluster:message && nodeSubType=~/^(?!:mount).*$/",
 					"group": "1mssqlCluster@10"
+				},
+				{
+					"command": "bigDataClusters.command.refreshmount",
+					"when": "nodeType == mssqlCluster:folder && nodeSubType==:mount:",
+					"group": "1mssqlCluster@11"
+				},
+				{
+					"command": "bigDataClusters.command.deletemount",
+					"when": "nodeType == mssqlCluster:folder && nodeSubType==:mount:",
+					"group": "1mssqlCluster@12"
 				}
 			]
 		},
@@ -112,6 +130,14 @@
 			{
 				"command": "bigDataClusters.command.mount",
 				"title": "%command.mount.title%"
+			},
+			{
+				"command": "bigDataClusters.command.refreshmount",
+				"title": "%command.refreshmount.title%"
+			},
+			{
+				"command": "bigDataClusters.command.deletemount",
+				"title": "%command.deletemount.title%"
 			}
 		]
 	},