fix: Restore Google Meet videoCallUrl in metadata

[Sumanthvu]

What does this PR do?

This PR resolves the regression where the Google Meet videoCallUrl was missing from the booking metadata.

Following the Calendar Sync refactor, the code was incorrectly assuming the calendar integration payload would always be located at results[0]. This PR updates RegularBookingService.ts to dynamically extract the hangoutLink from the actual calendar result rather than relying on a hardcoded array index. It also adds regression tests to fresh-booking.test.ts to ensure the URL is properly persisted.

• Fixes Regression in v6.2 (self hosted): Google Meet videoCallUrl missing from metadata when using Google Calendar integration  #28555

[cubic-dev-ai]

No issues found across 14 files

[CLAassistant]

All committers have signed the CLA.

[francescogatto]

It looks like this PR includes formatting changes that are not aligned with the repository configuration.

The project uses Biome (see biome.json), which explicitly enforces:

• semicolons: "always"

However, several changes in this PR remove semicolons and adjust formatting inconsistently with Biome rules.

This suggests the code may have been formatted with a different tool (e.g. Prettier with semi: false) or without running the project's formatter.

To keep the codebase consistent and avoid unnecessary diff noise, it would be better to:

• revert unrelated formatting changes
• run Biome formatter before committing

This PR should ideally contain only the functional fix.

[francescogatto]

Too much noise, please commit only relevant fix without any change to other changes to other files

[Ryukemeister]

hi there, thank you for your contribution. @francescogatto is right here, this is too much noise. can you also commit the relevant files and revert the other please. can you also attach a visual demo of the fix before/after, thank you!