fix: HTML screen should expand with content (#474)

src/editors/sharedComponents/SourceCodeModal/__snapshots__/index.test.jsx.snap

@@ -34,7 +34,6 @@ exports[`SourceCodeModal renders as expected with default behavior 1`] = `
   <div
     style={
       Object {
-        "height": "300px",
         "padding": "10px 30px",
       }
     }

src/editors/sharedComponents/SourceCodeModal/index.jsx

@@ -34,13 +34,12 @@ export const SourceCodeModal = ({
       isOpen={isOpen}
       title={intl.formatMessage(messages.titleLabel)}
     >
-      <div style={{ padding: '10px 30px', height: '300px' }}>
+      <div style={{ padding: '10px 30px' }}>
         <CodeEditor
           innerRef={ref}
           value={value}
         />
       </div>
-
     </BaseModal>
   );
 };