feat: add pricing table to user popover (#7583)

## Summary

Add ability to show pricing table from user popover. Misc style changes
and logic.

## Changes

- **What**: CurrentUserPopover.vue
- **Breaking**: <!-- Any breaking changes (if none, remove this line)
-->
- **Dependencies**: <!-- New dependencies (if none, remove this line)
-->

## Screenshots (if applicable)

<img width="481" height="672" alt="image"
src="https://github.com/user-attachments/assets/3dd55bc4-b49e-4b4e-920e-c97cabaa448a"
/>

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-7583-feat-add-pricing-table-to-user-popover-2cc6d73d365081e1bbf1f2b351e53289)
by [Unito](https://www.unito.io)

src/locales/en/main.json

@@ -1976,6 +1976,9 @@
     "contactUs": "Contact us",
     "viewEnterprise": "View enterprise",
     "partnerNodesCredits": "Partner nodes pricing",
+    "plansAndPricing": "Plans & pricing",
+    "managePlan": "Manage plan",
+    "upgrade": "UPGRADE",
     "mostPopular": "Most popular",
     "currentPlan": "Current Plan",
     "subscribeTo": "Subscribe to {plan}",
@@ -2000,6 +2003,7 @@
   },
   "userSettings": {
     "title": "My Account Settings",
+    "accountSettings": "Account settings",
     "name": "Name",
     "email": "Email",
     "provider": "Sign-in Provider",