[js][tc] fix state refreshing modal when changing block name, closes #146

conda/js/src/components/toolchain/ToolchainModal.jsx

@@ -59,7 +59,7 @@ type Props = {
 type State = {
 };
 
-class ToolchainModal extends React.PureComponent<Props, State> {
+class ToolchainModal extends React.Component<Props, State> {
 	constructor(props: Props){
 		super(props);
 	}
@@ -67,6 +67,14 @@ class ToolchainModal extends React.PureComponent<Props, State> {
 	state = {
 	}
 
+	shouldComponentUpdate(nextProps: Props){
+		if(nextProps.active !== this.props.active)
+			return true;
+		if(nextProps.data !== undefined && nextProps.data !== this.props.data)
+			return true;
+		return false;
+	}
+
 	render = () => {
 		const data = this.props.data;
 		if(!data)
@@ -229,7 +237,10 @@ class ToolchainModal extends React.PureComponent<Props, State> {
 				</ModalBody>
 				<ModalFooter>
 					<Button block color='danger'
-						onClick={this.props.deleteBlock}
+						onClick={(e) => {
+							this.props.deleteBlock();
+							this.props.toggle();
+						}}
 					>
 						Delete Block
 					</Button>