Ported Analyze notebook code from SqlOpsStudio and make it work. (#3899)

* Ported Analyze notebook code from SqlOpsStudio and make it work.
if config.notebook.sqlKernelEnabled is true, use SQL provider;
Use Jupyter provider if Python is install, otherwise use buildIn Kernel.

* Analyze in Notebook Kernel can only be Python or "No Kernel". So remove Sql Kernel.

extensions/notebook/package.json

@@ -30,6 +30,10 @@
 			}
 		},
 		"commands": [
+			{
+				"command": "notebook.command.analyzeNotebook",
+				"title": "%notebook.analyzeJupyterNotebook%"
+			},
 			{
 				"command": "notebook.command.new",
 				"title": "%notebook.command.new%",
@@ -61,6 +65,9 @@
 		],
 		"menus": {
 			"commandPalette": [
+				{
+					"command": "notebook.command.analyzeNotebook"
+				},
 				{
 					"command": "notebook.command.new"
 				},
@@ -86,6 +93,13 @@
 					"when": "connectionProvider == MSSQL && nodeType && nodeType == Server",
 					"group": "1root@1"
 				}
+			],
+			"objectExplorer/item/context": [
+				{
+					"command": "notebook.command.analyzeNotebook",
+					"when": "nodeType=~/^mssqlCluster/ && nodeLabel=~/[^\\s]+(\\.(csv|tsv|txt))$/ && nodeType == mssqlCluster:file",
+					"group": "1notebook@1"
+				}
 			]
 		},
 		"keybindings": [