Fix table view

sass/components/dataset_view.scss

@@ -158,6 +158,8 @@
     border: 1px solid $gray-180;
     padding: 4px 5px;
     min-width: 70px;
+    max-width: 400px;
+    overflow: hidden;
   }
   th {
     font-weight: 700;

src/app/utils/index.ts

@@ -296,7 +296,7 @@ export function getConvertableTypes(
       ];
       break;
     case DataType.Image:
-      types = [DataType.String];
+      types = [DataType.Image, DataType.String];
       break;
   }