Make more fields mandatory in the data upload

[valitsa]

In particular:

• Quantification Unit
• Input data source
• Quantification method
• Spatial scale, extent, resolution
• Start year, end year
• Indicator

[valitsa]

Complete list of mandatory fields in the database:

1. Primary (those needed to be entered to save an entry) Ecosystem service Ecosystem Service Indicator Study Date (in which last edit was made)
2. Secondary Biome Quantification unit Areal unit Temporal unit ES accounting type ES benefit type Input data source name Input data source link Quantification method Start year, end year Study objective met Regions (select one or more options)