1. Show Field Name, Block Name and Coordinates as available field for labels if it is from FieldMap, or if it is from Nursery or Trial with an existing fieldmap(s)
2. Show a warning if labels are generated (pdf/xls) even if other trial instances have no fieldmap
3. Include Field Name, Block Name and Coordinates when generating labels if the fields are selected

Issue: GCP-9732

Reviewer: Mae Isabelle Turiana
1. Create unit tests for showing field name, block name and coordinates if user starts from fieldmap or if user starts from nursery or trial with existing fieldmap(s)
2. Create test data for unit tests

Issue: GCP-9732

Reviewer: Mae Isabelle Turiana