Show error message if missing closing brace in Java expression

[casid]

@template.core.components.paragraph(content = @`
    ${localize("foo"}${localize("bar")}<br>${baz()}
`)

Misses a closing brace after localize("foo". Correct is:

@template.core.components.paragraph(content = @`
    ${localize("foo")}${localize("bar")}<br>${baz()}
`)

This should be highlighted by the plugin.