Merge from vscode a5cf1da01d5db3d2557132be8d30f89c38019f6c (#8525)

* Merge from vscode a5cf1da01d5db3d2557132be8d30f89c38019f6c

* remove files we don't want

* fix hygiene

* update distro

* update distro

* fix hygiene

* fix strict nulls

* distro

* distro

* fix tests

* fix tests

* add another edit

* fix viewlet icon

* fix azure dialog

* fix some padding

* fix more padding issues

extensions/configuration-editing/schemas/attachContainer.schema.json

@@ -18,6 +18,20 @@
 						"type": "integer"
 					}
 				},
+				"remoteEnv": {
+					"type": "object",
+					"additionalProperties": {
+						"type": [
+							"string",
+							"null"
+						]
+					},
+					"description": "Remote environment variables."
+				},
+				"remoteUser": {
+					"type": "string",
+					"description": "The user VS Code Server will be started with. The default is the same user as the container."
+				},
 				"extensions": {
 					"type": "array",
 					"description": "An array of extensions that should be installed into the container.",