Adjust the sql query for total surplus

[sunce86]

Description

Fixes #3089

Changes

Includes orders from "jit_orders" to calculate the total surplus.

• Updated sql query.

How to test

Executed manually the new query against prod db. Two things are verified:

1. https://explorer.cow.fi/address/0xbf8868b754a77e90ea68ffc0b5b10a7c729457e1 now returns non-zero surplus.
2. Regular owners surplus remains the same, so this change did not break existing functionality.

Performance should be good since "jit_orders" table also has index on owners.

[MartinquaXD]

Change looks alright but agree with @squadgazzz's comment.

Performance should be good since "jit_orders" table also has index on owners.

Can you please compare the performance of the surplus query for an account that has many regular orders by manually executing the old and the new query?
Would be a shame if we pessimise the performance of the common use case by adding support for jit orders.

[sunce86]

Change looks alright but agree with @squadgazzz's comment.

Performance should be good since "jit_orders" table also has index on owners.

Can you please compare the performance of the surplus query for an account that has many regular orders by manually executing the old and the new query? Would be a shame if we pessimise the performance of the common use case by adding support for jit orders.

I compared it previously with a random owner and it was comparative. But for the sake of mind, I searched for owners with most entries in "orders" table and used them to test the performance.

With owners that have 10-20k entries, this version of code introduces the least performance hit, practically negligible.