proper localization of item vals in char sheet

Additions:
- added TODOs
- added armor item list to char sheet
- proper overflow handling in tabs (now: scrollable)

Changes:
- proper localization of item values
- "Description" not abbreviated anymore
- cleaned up getData() of ActorSheet (data now truly const)

src/scss/components/_apps.scss

@@ -9,7 +9,10 @@
 
     .tab {
         height: 100%;
-        overflow-y: auto;
+        overflow-y: scroll;
         align-content: flex-start;
+        ol {
+            overflow-y: visible;
+        }
     }
 }