[ADF-1841] Content Metadata first iteration (#2666)

* First try

* Small layout changes

* Add pipe support for CardViewTextItemModel

* property service

* Additional stuff

* Make CardViewUpdateService smarter

* Content metadata saving

* Rebase fix

* CardView Style fixes

* Fix core and content-services tests

* Fix CardView text item update UX

lib/core/i18n/en.json

@@ -71,6 +71,20 @@
       "BACK": "Back",
       "APPLY": "APPLY",
       "NOT_VALID": "http(s)://host|ip:port(/path) not recognized, try a different URL."
+    },
+    "METADATA": {
+      "BASIC": {
+          "NAME": "Name",
+          "TITLE": "Title",
+          "DESCRIPTION": "Description",
+          "AUTHOR": "Author",
+          "MIMETYPE": "Mimetype",
+          "SIZE": "Size",
+          "CREATOR": "Creator",
+          "CREATED_DATE": "Created Date",
+          "MODIFIER": "Modifier",
+          "MODIFIED_DATE": "Modified Date"
+      }
     }
   },
   "LOGIN": {
@@ -146,6 +160,12 @@
       "OF": "of"
     },
     "LOADING": "Loading",
-    "UNKNOWN_FORMAT": "Couldn't load preview"
+    "UNKNOWN_FORMAT": "Couldn't load preview",
+    "SIDEBAR": {
+      "METADATA": {
+          "MORE_INFORMATION": "More information",
+          "LESS_INFORMATION": "Less information"
+      }
+    }
   }
 }