fix: [M3-8740] - Convert Object Storage size from `GiB` to `GB` in frontend

[hasyed-akamai]

Description 📝

• This PR changes the Object Storage bucket size numbers from GiB to GB in the frontend to avoid confusion during migration.

• Previously, the size numbers were displayed in GiB, and now they are displayed in GB.

Changes 🔄

• Converts Object Storage bucket size display from GiB to GB in the frontend.

Target release date 🗓️

N/A

Preview 📷

Before	After
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How to test 🧪

Prerequisites

• Ensure you have the necessary permissions to create Object Storage Buckets.
• Create a Object Storage Bucket and add a Object to the Bucket.

Reproduction steps

• Landing:
  • Observe Object Storage bucket size display in Equivalent GB in the frontend.

Verification steps

• After changes Observe Object Storage bucket size display in Equivalent GB in the frontend.

As an Author I have considered 🤔

Check all that apply

• [x] 👀 Doing a self review
• [x] ❔ Our contribution guidelines
• [ ] 🤏 Splitting feature into small PRs
• [x] ➕ Adding a changeset
• [ ] 🧪 Providing/Improving test coverage
• [ ] 🔐 Removing all sensitive information from the code and PR description
• [ ] 🚩 Using a feature flag to protect the release
• [x] 👣 Providing comprehensive reproduction steps
• [ ] 📑 Providing or updating our documentation
• [ ] 🕛 Scheduling a pair reviewing session
• [ ] 📱 Providing mobile support
• [ ] ♿ Providing accessibility support

[github-actions[bot]]

Coverage Report: ✅
Base Coverage: 86.95%
Current Coverage: 86.95%

[linode-gh-bot]

Cloud Manager UI test results

:tada: 462 passing tests on test run #6 ↗︎

:x: Failing	:white_check_mark: Passing	:arrow_right_hook: Skipped	:clock1: Duration
0 Failing	462 Passing	2 Skipped	101m 27s