Improve code readability and logic for zero-balance hiding
Improve code readability and logic for zero-balance hiding

broke up the wall of text into sections ordered by how they are
represented visually in the UI and fixed some faulty logic with watch
only balance display.

PIVX-Project/PIVX,Mrs-X/Darknet,Darknet-Crypto/Darknet,npccoin/npccoin,npccoin/npccoin,Mrs-X/PIVX,Mrs-X/PIVX,Darknet-Crypto/Darknet,benzmuircroft/REWIRE.io,PIVX-Project/PIVX,benzmuircroft/REWIRE.io,Mrs-X/Darknet,Mrs-X/PIVX,Mrs-X/Darknet,PIVX-Project/PIVX,benzmuircroft/REWIRE.io,PIVX-Project/PIVX,PIVX-Project/PIVX,benzmuircroft/REWIRE.io,npccoin/npccoin,Mrs-X/PIVX,Darknet-Crypto/Darknet,PIVX-Project/PIVX,npccoin/npccoin,Mrs-X/Darknet,Darknet-Crypto/Darknet,npccoin/npccoin,Darknet-Crypto/Darknet,PIVX-Project/PIVX,Mrs-X/PIVX,PIVX-Project/PIVX,Mrs-X/PIVX,Mrs-X/Darknet,benzmuircroft/REWIRE.io,Mrs-X/Darknet,npccoin/npccoin,PIVX-Project/PIVX,benzmuircroft/REWIRE.io,Darknet-Crypto/Darknet