add CLI argument --disable-workspace-trust (#5638)

Add CLI flag to disable workspace trust feature, as
described in documentation:
https://code.visualstudio.com/docs/editor/workspace-trust

Add test for workspace trust argument.

test/e2e/displayLang.test.ts

@@ -3,12 +3,17 @@ import { describe, test, expect } from "./baseFixture"
 
 // Given a code-server environment with Spanish Language Pack extension installed
 // and a languagepacks.json in the data-dir
-describe("--locale es", ["--extensions-dir", path.join(__dirname, "./extensions"), "--locale", "es"], {}, () => {
-  test("should load code-server in Spanish", async ({ codeServerPage }) => {
-    // When
-    const visible = await codeServerPage.page.isVisible("text=Explorador")
+describe(
+  "--locale es",
+  ["--disable-workspace-trust", "--extensions-dir", path.join(__dirname, "./extensions"), "--locale", "es"],
+  {},
+  () => {
+    test("should load code-server in Spanish", async ({ codeServerPage }) => {
+      // When
+      const visible = await codeServerPage.page.isVisible("text=Explorador")
 
-    // Then
-    expect(visible).toBe(true)
-  })
-})
+      // Then
+      expect(visible).toBe(true)
+    })
+  },
+)