Update date/time created field name

Author: acrellin

static/js/components/Datasets.jsx

@@ -163,7 +163,7 @@ export let DatasetTable = props => (
           <FoldableRow key={`ds_${idx}`}>
             <tr key={dataset.id}>
               <td>{dataset.name}</td>
-              <td>{reformatDatetime(dataset.created)}</td>
+              <td>{reformatDatetime(dataset.created_at)}</td>
               <td><DeleteDataset ID={dataset.id} /></td>
             </tr>
             {foldedContent}

static/js/components/Features.jsx

@@ -230,7 +230,7 @@ export let FeatureTable = props => (
             <FoldableRow key={idx}>
               <tr key={featureset.id}>
                 <td>{featureset.name}</td>
-                <td>{reformatDatetime(featureset.created)}</td>
+                <td>{reformatDatetime(featureset.created_at)}</td>
                 {status}
                 <td><DeleteFeatureset ID={featureset.id} /></td>
               </tr>

static/js/components/Models.jsx

@@ -227,7 +227,7 @@ export let ModelTable = props => (
           <FoldableRow key={`model_${idx}`}>
             <tr key={model.id}>
               <td>{model.name}</td>
-              <td>{reformatDatetime(model.created)}</td>
+              <td>{reformatDatetime(model.created_at)}</td>
               {status}
               <td><DeleteModel ID={model.id} /></td>
             </tr>

static/js/components/Predictions.jsx

@@ -128,7 +128,7 @@ let PredictionsTable = props => (
             <tr key={`row${idx}`}>
               <td>{prediction.dataset_name}</td>
               <td style={{ textDecoration: 'underline' }}>{prediction.model_name}</td>
-              <td>{reformatDatetime(prediction.created)}</td>
+              <td>{reformatDatetime(prediction.created_at)}</td>
               {status}
               <td>
                 <DownloadPredCSV ID={prediction.id} />