Improve clarity of table inspector active tab

[seancolsen]

Fixes #2341

Motivation

I've found that it's easy to get confused between the "Table" and "Column" tabs of the table inspector because the UI within them it almost identical near the top. I've noticed this in usability sessions too. I ran this by Kriti as a quick thing to shore up as part of the usability and onboarding work that I'm doing for beta, and said it would be fine to address.

Before

Table	Column

• "Properties", "Name", "Description" appear identically in both tabs, and it's only a very thin border to cue the user as to the context of these fields.

After

Table	Column

• The red bottom border for the active tab is thicker
• Inactive tabs get slightly lighter text color
• Inspector sections include the words "Table" and "Column" for clarity
• Fields include the words "Table" and "Column" for clarity
• Table Permissions button is inside the "Table Properties" section to simplify the UI
• All permissions modal buttons have a new custom icon for visual consistency and ease of identification

Notes

• The changes to active tab styling also apply everywhere the tabs are used, which is several other places, e.g. permissions modals, schema page, table page, etc.

Checklist

• My pull request has a descriptive title (not a vague title like Update index.md).
• My pull request targets the develop branch of the repository
• My commit messages follow best practices.
• My code follows the established code style of the repository.
• I added tests for the changes I made (if applicable).
• I added or updated documentation (if applicable).
• I tried running the project locally and verified that there are no visible errors.

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[seancolsen]

@ghislaineguerin I've assigned you to review from a UX/design perspective.

@pavish I've assigned you to review code and also UX/design if you have any opinions.

[ghislaineguerin]

Looks great!

[pavish]

Looks good to me