Shared styles fetched from wrong folder

[ripla]

Steps to reproduce

1. Create a new Flow template with

    <template>
        <style include="shared-styles"></style>
        <span>Text</span>
    </template>

2. Create shared-styles.html in src/main/webapp/frontend/styles with contents:

<dom-module id="shared-styles">
    <template>
        <style>
            span {
                color: red;
            }
        </style>
    </template>
</dom-module>

Actual behavior

Text in editor is not red.

Expected behavior

Text in editor is red.

Scenarios

Notes

The style is applied if the path is src/main/webapp/styles instead.

IDE, Designer and OS version

IntelliJ, Designer 3.0.0.beta4, macOS