Migrates the Siesta test for vdom/table/Container.mjs to Playwright using the AI native workflow.

Changes Made

• ✅ Created test/playwright/unit/vdom/table/Container.spec.mjs
• ✅ Translated all Siesta assertions (t.is, t.isDeeplyStrict) to Playwright expect syntax
• ✅ Created proper ticket following project strategy
• ✅ All tests pass successfully with npm test
• ✅ Generated using follow the instructions inside @AGENTS.md protocol

Test Coverage

• Remove all Table Rows test case
• Remove all Table Rows & move 2 into different Table test case
• Both include revert operations for complete functionality

Closes #7294

Please make sure to read the Contributing Guidelines: https://github.com/neomjs/neo/blob/dev/CONTRIBUTING.md

What kind of change does this PR introduce? (check at least one)

• Bugfix
• Feature
• Code style update
• Refactor
• Build-related changes
• Other, please describe:

Does this PR introduce a breaking change? (check one)

• Yes
• No

If yes, please describe the impact and migration path for existing applications:

The PR fulfills these requirements:

• It's submitted to the dev branch, not the main branch
• When resolving a specific issue, it's referenced in the PR's title (e.g. fix #xxx[,#xxx], where "xxx" is the issue number)

If adding a new feature, the PR's description includes:

• A convincing reason for adding this feature (to avoid wasting your time, it's best to open a suggestion issue first and wait for approval before working on it)

Other information:

This migration is part of the ongoing effort to convert Siesta tests to Playwright. The AI native workflow ensured proper adherence to project conventions and complete test coverage.