Userland: Prefer _string over _short_string

As `_string` can't fail anymore (since 3434412), there are no real
benefits to use the short variant in most cases.

Userland/Applications/HexEditor/ValueInspectorModel.h

@@ -67,7 +67,7 @@ public:
     {
         switch (column) {
         case Column::Type:
-            return "Type"_short_string;
+            return "Type"_string;
         case Column::Value:
             return m_is_little_endian ? "Value (Little Endian)"_string : "Value (Big Endian)"_string;
         }