Allow columns encoded in float64 to be rendered as part of continuous value histograms. (#1905)

client/src/components/continuous/continuous.js

@@ -14,7 +14,12 @@ class Continuous extends React.PureComponent {
     if (!schema) return null;
     const obsIndex = schema.annotations.obs.index;
     const allContinuousNames = schema.annotations.obs.columns
-      .filter((col) => col.type === "int32" || col.type === "float32")
+      .filter(
+        (col) =>
+          col.type === "int32" ||
+          col.type === "float32" ||
+          col.type === "float64"
+      )
       .filter((col) => col.name !== obsIndex)
       .filter((col) => !col.writable) // skip user annotations - they will be treated as categorical
       .map((col) => col.name);