ArchiveBrowser bugs

• 404 if the url path cannot be resolved instead of JS error
• path syntax should be aligned with reference syntax, e.g. run/0/calculation/4 instead of run:0/calculation:4
• selected property indicator broken for single valued repeating sub sections, like in this example
• unified search field with completion. The one in the archive browser is very different from the search is very different from the metainfo browser