Gift Upgrades 2.7.3

• Fix internal server error when gifting an upgrade directly to a user instead of via a content (aka a post).

• Fix xf-rebuild:nf-gift-content CLI command.
• Fix post's gift count would be set to 1 instead of incremented by 1.

• Add CLI commands for rebuilding gift counts.
• Fix a post's gift count may not be kept in sync if two gift upgrades happened at the same time.
• Fix gift upgrade form showing all payment method dropdowns at once; they now stay hidden until an upgrade is selected.

• Add pages to allow users to view gifts they have given and received from the account area.
• Track gift upgrades per thread.
• Add an option to sort threads by gifts count and have a per-forum toggle to enable it.
• Add "Gifts are anonymous by default" option (default false).

• Improve support for PHP 8.4+.
• Fix issue preventing profile post comment gifting.

• Require StandardLib v1.22.0+.
• If Search Improvements is installed, require Search Improvements v2.12.0+.
• Fix XF2.3 support for "Displaying gifting on warned content" option.
• Workaround an XF2.3 bug which caused an additional unexpected query when using the recent gifted posts widget.
• Add "Show gift upgrades depending on user's permissions" option (default "Who is receiving").

• When showing giftable upgrades, disable upgrades that should be disabled for the giftee rather than the gifter.

• Confirm support for XenForo 2.3+.
• Bump minimum PHP version to 8.0+.
• Code cleanup.

• Fix the gift upgrades alert triggered by gifting a post would not link to the post.
• Fix compatibility issue with XF 2.2.15.

• Require Standard Library by Xon v1.18.0+
• Fix sending the user upgrade receipt to the receiving user instead of the paying user.
• Adjust the phrase in line item to list the sending and receiving user.
• Add option "Allow gifting on warned content" to control if users can gift to warned posts.
• Add option "Display gifting on warned content" to control if users can see if warned posts have a gift.
• Enable searching for posts/threads/profile posts which have had a gift given to them.