fix variable Name

src/components/Home.js

@@ -54,7 +54,7 @@ class Home extends Component {
   componentDidMount() {
 
     this.props.workspaceName(createNameId());
-    fetch(process.env.BLOCKLY_API + this.props.location.pathname)
+    fetch(process.env.REACT_APP_BLOCKLY_API + this.props.location.pathname)
       .then(res => res.json())
       .then((data) => {
         this.setState({ projectToLoad: data })

src/components/WorkspaceFunc.js

@@ -116,7 +116,7 @@ class WorkspaceFunc extends Component {
           xml: code
         })
       };
-      fetch(process.env.BLOCKLY_API + '/share' + this.state.id, requestOptions)
+      fetch(process.env.REACT_APP_BLOCKLY_API + '/share' + this.state.id, requestOptions)
         .then(response => response.json())
         .then(data => this.setState({ share: true }));
     }
@@ -131,7 +131,7 @@ class WorkspaceFunc extends Component {
           xml: code
         })
       };
-      fetch(process.env.BLOCKLY_API + '/share', requestOptions)
+      fetch(process.env.REACT_APP_BLOCKLY_API + '/share', requestOptions)
         .then(response => response.json())
         .then(data => this.setState({ id: data.id, share: true }));
     }