Solved: Showing related Many to Many entity as datasource in PowerApps

I have an Entity Teacher which has many to many relationship with another Entity called Student.

I am embedding the app in the Model Driven of Entity Teacher. In the embedded app, I want to display list of students from the recordid of Teacher.

I created a gallery where list of students are shown and set the Item in gallery as

ModelDrivenFormIntegration.Item.Students

which I think should have work but is not showing anything.

I tried to LookUp Teacher with the record Id from item and tried this as well

LookUp('Teachers', new_teacherid = ModelDrivenFormIntegration.Item.teacherid).Students

I even tried using guid

LookUp('Teachers', new_teacherid = GUID("ffdea424-e5a2-e911-a96a-000d3a4e75ec")).Students

It gives on loading forever.

FYI: The student entity has around 150 fields.

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Showing related Many to Many entity as datasource in PowerApps