Refactor Prop model to use enum for data types; remove PropDataType model and update related requests and migrations

app/Domains/Prop/Support/PropableModels.php

@@ -39,4 +39,9 @@ class PropableModels
 
         return $modelClass;
     }
+
+    public static function aliasFor(string $modelClass): ?string
+    {
+        return array_search($modelClass, static::map(), true) ?: null;
+    }
 }