fix: switch text/comment order on surplus

Feature

Summary

This MR releases version 7.6.4 that comes with the following changes:

• fix: data href and test adjustments
• fix: last xhtml:a standing
• fix: search hit ItemUrl response with new server
• update: css
• fix: tests synax
• fix: tests
• fix: annotations and html serialization
• fix: sed commandfeat: set docker TAG for Harbor
• fix: move karshuni texts to arabic
• fix: content html output format
• fix: bibliographic references
• fix: switch text/comment order on surplus