Beta Developer Dashboard fixes

• FIX: The /stores/ landing page was creating a broken layout in some instances.
• FIX: Redirect to the first available plugin from the first available store if logging in to the new system for the first time.
• FIX (Internal): Certain store-related pages were not working due to some race conditions.
• FIX: Incorrect store name being shown on the menu when a store is freshly edited (from the settings page).
• FIX: Upgrade button not linking to the proper URL (relevant to products that are not selling with Freemius).
• FIX (Internal): Navigating to top-level pages could sometime mess with the selected store in the sidebar menu.
• FIX: Accessing coupons from store level + adding notes to coupons.

Freemius API-related updates

• FIX: Rare edge case where an opted-in website’s properties were not being updated.
• FIX: Edge case bug fix of the unit price calculation for unlimited-site prices in the invoice.

Miscellaneous updates

• FIX (Affiliate): Make sure we don’t attribute payments/subscriptions if the affiliate program is no longer active.
• FIX (Automation): For sending wrong missing payout notifications on rare edge cases.