[Templates] Fix syntax error on entity_in_scope in template

[DucNg]

Fix syntax error making the test always true

if self.entity_in_scope was always true

Proposed changes

• Add a parameter to entity_in_scope so it actually runs the function instead of testing if it exists

Related issue

• [Templates] Fix syntax error on entity_in_scope in template #3273

[helene-nguyen]

Thanks @DucNg :)