Fix enable/disable behaviour

Author: Aaron Imming

src/botPage/view/TradeInfoPanel/ClearButton.js

@@ -7,6 +7,8 @@ export default class ClearButton extends React.PureComponent {
     constructor() {
         super();
         this.state = { isButtonDisabled: true };
+    }
+    componentDidMount() {
         globalObserver.register('summary.enable_clear', () => this.setState({ isButtonDisabled: false }));
         globalObserver.register('summary.disable_clear', () => this.setState({ isButtonDisabled: true }));
     }

src/botPage/view/View.js

@@ -498,7 +498,8 @@ export default class View {
         const startBot = limitations => {
             $('#stopButton, #summaryStopButton').show();
             $('#runButton, #summaryRunButton').hide();
-            $('#runButton, #summaryRunButton, #summaryClearButton').prop('disabled', true);
+            $('#runButton, #summaryRunButton').prop('disabled', true);
+            globalObserver.emit('summary.disable_clear');
             showSummary();
             this.blockly.run(limitations);
         };