refactor: ensure global setting links open in a new tab

[JoshuaHungDinh]

Resolves: GIVE-813

Description

Some v3 block settings have the option to use global settings for the block. When global settings have been chosen, a link that navigates the user to the blocks settings page is shown. clicking this link can be frustrating if you are editing a form as it will navigate you from the builder to the settings page & you will lose any changes in progress.

The terms & conditions block + the donor name block both have this global setting link. This PR updates the anchor tags target and rel attributes to ensure they open the settings in a new tab. We also update the text within the link to capitalize the g in Global.

Affects

Donor Name Block
Terms & Conditions Block

Visuals

https://www.loom.com/share/197392b48ef341ae81b0f0535b18461c?sid=9af685c8-f528-43ee-a32c-a6f5f9653e12

Testing Instructions

• Create a v3 form
• Add the Terms & Conditions Block
• Select the Terms & Conditions Block from the Build settings
• Toggle the first setting
• Click the link under the global settings selector from within the right sidebar
• Verify it opens the global settings page in a new tab
• Repeat steps with the Donor Name Block

Pre-review Checklist

• Acceptance criteria satisfied and marked in related issue
• Relevant @unreleased tags included in DocBlocks
• Includes unit tests
• Reviewed by the designer (if follows a design)
• Self Review of code and UX completed

[rickalday]

Passes QA tests