test: workspace import and validation testcase (TC-969) (#8349)

* test cases for workspace import and validation TC-969, jira: https://usebruno.atlassian.net/browse/BRU-3575

* incorporated comments, moved findWorkspaceDirByName function to helpers.ts, fixed all the comments

* modified as per comment provided , removed css locators , used playwright inbuilt methods , handled timeout

* Created file structure as per comment provided, added tc-id , resolved code-rabbit review

* incorporated comments removed commented line, removed timeouts, modified package.json added package in dev dependencies

* changed const l to locators for better readbility

* - Reorganized test helpers: split title-bar locators into title-bar.ts and
  import-workspace flow into workspace/import-workspace.ts for reuse
- Replaced brittle .bruno-modal-card/CSS locators with stable role/testid/label
  based locators
- Added a data-testid for the Import Workspace modal and removed the redundant one
- Cleaned up unnecessary comments
- Updated package-lock.json

* minor changes

* minor changes

* addressed comments

* addressed comments for variable naming

* minor changes

package.json

@@ -30,11 +30,13 @@
     "@storybook/react": "^10.1.10",
     "@storybook/react-webpack5": "^10.1.10",
     "@stylistic/eslint-plugin": "^5.3.1",
+    "@types/adm-zip": "^0.5.8",
     "@types/jest": "^29.5.11",
     "@types/js-yaml": "^4.0.9",
     "@types/lodash-es": "^4.17.12",
     "@types/node": "^22.14.1",
     "@typescript-eslint/parser": "^8.39.0",
+    "adm-zip": "^0.5.17",
     "concurrently": "^8.2.2",
     "cross-env": "10.1.0",
     "eslint": "^9.39.4",
@@ -83,6 +85,7 @@
     "test:e2e": "playwright test --project=default --project=system-pac",
     "test:e2e:ssl": "playwright test --project=ssl",
     "test:e2e:auth": "playwright test --project=auth",
+    "test:e2e:sanity": "playwright test --project=default --project=system-pac --grep @sanity",
     "test:benchmark": "playwright test --config=playwright.benchmark.config.ts",
     "lint": "cross-env NODE_OPTIONS=\"--max_old_space_size=4096\" npx eslint",
     "lint:fix": "cross-env NODE_OPTIONS=\"--max_old_space_size=4096\" npx eslint --fix",