flambers thing is a much better idea (#15428)

frontend/src/metabase/query_builder/components/expressions/ExpressionEditorTextfield.jsx

@@ -365,7 +365,7 @@ export default class ExpressionEditorTextfield extends React.Component {
           className={cx(inputClassName, {
             "border-error": compileError,
           })}
-          style={{ ...inputStyle, paddingLeft: 26 }}
+          style={{ ...inputStyle, paddingLeft: 26, whiteSpace: "pre-wrap" }}
           placeholder={placeholder}
           value={source}
           syntaxTree={syntaxTree}