Clarify that Product sets the priority
In prior iterations, Support worked with Development Leads and Product Leads to set priority. Now we work directly with product. This change clarifies that in the Support Handbook.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
In prior iterations, Support worked with Development Leads and Product Leads to set priority. Now we work directly with product. This change clarifies that in the Support Handbook.