message: Don't allow a graph type change for node graphs, they should be fixed as
  not every graph type makes sense for the selected node type.
diff: @@ -66,7 +66,7 @@ export default class GraphSecondaryMasthead extends React.PureComponent<GraphSec
  <span className={leftSpacerStyle}>
  <ToolbarDropdown
  id={'graph_type_dropdown'}
  - disabled={this.props.disabled}
  + disabled={this.props.disabled || this.props.isNodeGraph}
  handleSelect={this.setGraphType}
  value={graphTypeKey}
  label={GRAPH_TYPES[graphTypeKey]}
  