refactor: make modals like widgets

src/components/modals/ErrorBoundary.jsx

@@ -0,0 +1,31 @@
+import React from 'react';
+
+export default class ErrorBoundary extends React.PureComponent {
+  constructor(props) {
+    super(props);
+    this.state = {
+      error: false
+    };
+  }
+
+  static getDerivedStateFromError(error) {
+    console.log(error);
+    return { 
+      error: true 
+    };
+  }
+
+  render() {
+    if (this.state.error) {
+      return (
+        <div style={{'textAlign': 'center'}}>
+          <h1>Error</h1>
+          <p>Failed to load this component of Mue.</p>
+          <button className='refresh' onClick={() => window.location.reload()}>Refresh</button>
+        </div>
+      );
+    }
+
+    return this.props.children;
+  }
+}