Make Catalyst search step clearer

[M-C-McGrath]

The step where users filter the documents on the advanced search form for Catalyst is a bit confusing. The following should be done to make it clearer-

• Change "Search Name" to "Mining Job Name" or similar
• Move the Mining Job Name field above the field with the dropdown settings menu
• Divide the entities and documents/emails into two categories on dropdown (similarly to how fields are divided into text/category/date types on search form)

[M-C-McGrath]

If you need help figuring out how to divide the dataspecs into entites/documents, let me know. I could add a category field to the dataspec if this is helpful, or we could have anything with "Entity" in the title and everything else and divide it that way automatically.