Fix environment icon for dark mode (#1097)

* Fix environment icon for dark mode

* Refactor

* Fix test

src/client/power-pages/actions-hub/tree-items/EnvironmentGroupTreeItem.ts

@@ -13,7 +13,10 @@ export class EnvironmentGroupTreeItem extends ActionsHubTreeItem {
         super(
             environmentInfo.currentEnvironmentName,
             vscode.TreeItemCollapsibleState.Collapsed,
-            vscode.Uri.joinPath(context.extensionUri, 'src', 'client', 'assets', 'environment.svg'),
+            {
+                light: vscode.Uri.joinPath(context.extensionUri, 'src', 'client', 'assets', 'environment-icon', 'light', 'environment.svg'),
+                dark: vscode.Uri.joinPath(context.extensionUri, 'src', 'client', 'assets', 'environment-icon', 'dark', 'environment.svg')
+            },
             Constants.ContextValues.ENVIRONMENT_GROUP);
     }
 }

src/client/test/Integration/power-pages/actions-hub/tree-items/EnvironmentGroupTreeItem.test.ts

@@ -30,7 +30,8 @@ describe('EnvironmentGroupTreeItem', () => {
     it('should have the expected icon', () => {
         const treeItem = new EnvironmentGroupTreeItem({ currentEnvironmentName: "Test Environment" }, { extensionUri: vscode.Uri.parse("http://localhost") } as vscode.ExtensionContext);
 
-        expect((treeItem.iconPath as vscode.Uri).path).to.be.equal('/src/client/assets/environment.svg');
+        expect((treeItem.iconPath as { light: vscode.Uri, dark: vscode.Uri }).light.path).to.be.equal('/src/client/assets/environment-icon/light/environment.svg');
+        expect((treeItem.iconPath as { light: vscode.Uri, dark: vscode.Uri }).dark.path).to.be.equal('/src/client/assets/environment-icon/dark/environment.svg');
     });
 
     it('should have the expected contextValue', () => {