GSP Object Type detection breaks when rendering grails template with g.render(...)

When rendering a template in a controller like so:

def dropoffDeliveryPanelPartial = g.render(template: "/rms/projects/contract/logistics/dropoffDeliveryPanel",
model: [currentUser: currentUser, vendorDropoffDelivery: vendorDropoffDelivery])

The ability for the editor to identify the type of the object being manipulated in the GSP is broken. In fact, it doesn't think the variable is being presented to the gsp view at all (by showing it as underlined).

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*Imported from [IDEA-171687](https://youtrack.jetbrains.com/issue/IDEA-171687) · Type: Bug · Votes: 0*
*Comments, attachments, dates and reporter are not part of the export — follow the link above for the full history.*

Reproduce the issue with the controller call to g.render(...) and the GSP template at /rms/projects/contract/logistics/dropoffDeliveryPanel. Start by tracing how the plugin detects object types passed through the render model, then verify that vendorDropoffDelivery and currentUser are recognized in the rendered GSP instead of being underlined.

Written by the indexing model from the issue text.