#5732 customer page actions take more than 3 seconds

[Chamila Madusani]

Description:

Following actions in the customer page take more than 3 seconds with 5000 customers:
to load customer screen - 7.38s
to sort by customer name - 7.83s
to go to next page - 7.34s
to go to edit view - 8.13s
to go to add page - 8.12s
to delete a customer - 7.51s