MSSQL: Add playwright smoke test (#94977)

test(mssql-datasource): add smoke test to assert decoupled plugin assets are built and load

playwright.config.ts

@@ -70,6 +70,15 @@ export default defineConfig<PluginOptions>({
       },
       dependencies: ['authenticate'],
     },
+    {
+      name: 'mssql',
+      testDir: path.join(testDirRoot, '/mssql'),
+      use: {
+        ...devices['Desktop Chrome'],
+        storageState: 'playwright/.auth/admin.json',
+      },
+      dependencies: ['authenticate'],
+    },
     {
       name: 'extensions-test-app',
       testDir: 'e2e/test-plugins/grafana-extensionstest-app',