Add coloring for $ and wordSepartors (#2702)

* Set colour for  variables dollar

* include $ when double click a variable

Author: MJECloud

src/features/ISECompatibility.ts

@@ -24,6 +24,7 @@ export class ISECompatibilityFeature implements IFeature {
         { path: "powershell.integratedConsole", name: "focusConsoleOnExecute", value: false },
         { path: "files", name: "defaultLanguage", value: "powershell" },
         { path: "workbench", name: "colorTheme", value: "PowerShell ISE" },
+        { path: "editor", name: "wordSeparators", value: "`~!@#%^&*()-=+[{]}\\|;:'\",.<>/?" },
         { path: "powershell.buttons", name: "showPanelMovementButtons", value: true }
     ];
     private iseCommandRegistration: vscode.Disposable;

themes/theme-psise/theme.json

@@ -93,7 +93,9 @@
 			"name": "Variables",
 			"scope": [
 				"variable",
-				"support.variable"
+				"support.variable",
+				"punctuation.definition.variable.powershell",
+				"variable.other.readwrite.powershell"
 			],
 			"settings": {
 				"foreground": "#FF4500"