Remove blank text nodes from edit/copy/delete table cells in table rows

[btacordex]

In any query in which the results come from a single table, the rows in the result table are about twice as tall as necessary. This is because the table cells containing the edit, copy, and delete links also contain a text node on either side containing a space for no discernible reason. They also lack the nowrap class, so the spaces wrap and you end up with a cell three text lines high instead of one.

If additional vertical space is desired, the cells could be given a larger line-height or height, but three lines is too much and wastes a lot of screen space.

Steps to reproduce

1. Perform any single-table query, e.g. (SELECT * FROM myTable)

Expected behaviour

The rows should be one line tall.

Actual behaviour

They're three lines tall.

Server configuration

Operating system:
OS X 10.12.5

Web server:
Apache

Database:
MySQL 5.7.18

PHP version:
5.6.30

phpMyAdmin version:
4.7.2

Client configuration

Browser:
Safari or Chrome

Operating system:
OS X 10.12.5

[nijel]

Duplicate of #13445