Unify uptime formatting (#2483)

public/locales/en/common.json

@@ -11,7 +11,13 @@
         "percent": "{{value, percent}}",
         "number": "{{value, number}}",
         "ms": "{{value, number}}",
-        "date": "{{value, date}}"
+        "date": "{{value, date}}",
+        "uptime": "{{value, uptime}}",
+        "months": "mo",
+        "days": "d",
+        "hours": "h",
+        "minutes": "m",
+        "seconds": "s"
     },
     "widget": {
         "missing_type": "Missing Widget Type: {{type}}",
@@ -40,11 +46,7 @@
         "load": "Load",
         "temp": "TEMP",
         "max": "Max",
-        "uptime": "UP",
-        "months": "mo",
-        "days": "d",
-        "hours": "h",
-        "minutes": "m"
+        "uptime": "UP"
     },
     "unifi": {
         "users": "Users",