Enhanced descriptor information

Update Descriptor Editor and Filters components.

Category

Allow for editing of the descriptor category as defined in genesys-catalog#95 (closed). The editor should display a list of radio buttons.

The list of available categories can be obtained at API call /api/v0/descriptor/categories:

["PASSPORT","MANAGEMENT","ENVIRONMENT","CHARACTERIZATION","EVALUATION","ABIOTICSTRESS","BIOTICSTRESS","MOLECULAR"]

Crop

Allow for editing descriptor crop: String property (genesys-catalog#94 (closed)). This should be single-line text input for now.

Filtering

Update Descriptor filter component and allow filtering on crop* and category:

1. Category filter: Set of checkboxes with categories from /api/v0/descriptor/categories
2. Crop filter: A literal string filter with multiple options