editcomp: Fix broken table layout when one game has a long name

[dfabulich]

Fixes https://github.com/iftechfoundation/ifdb/issues/381

Before:

After:

[salty-horse]

MDN warns not to use <nobr>, which is deprecated, and suggests style="white-space: nowrap;" instead.

Will it work for these elemenets?

[dfabulich]

Replaced with <span class='nobr'> which does the same thing.