Wrap another set of hardcoded strings in {ts}

[braders]

Overview

Does what it says on the tin.

Before

Hardcoded strings

After

{ts}{/ts}/ ts() used

[civibot]

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[mlutfy]

Thanks @braders - this kind of fixing is much appreciated!

I reviewed most of the code, but need to do a quick r-run for the places where the string is used in panes (probably fine, but can't tell only from the diff).

[yashodha]

@braders looks good, merging this.