NocoBase v1.4.21: Support linkage rules in the details block to hide(reserved value)

🚀 Improvements

• [client] Support linkage rules in the details block to hide(reserved value) (#6031) by @katherinehhh

🐛 Bug Fixes

• [client]

  • Resolve missing public path in icon file paths (#6034) by @chenos

  • Fix the issue where form linkage rules fail when they depend on field values from subtables (#5876) by @zhangzhonghe

  • Fix incorrect field of ‘Current record’ variable in sub-details (#6030) by @zhangzhonghe

• [Backup manager] Fixed backup download failure when env API_BASE_PATH is not /api by @gchust