git style quoting for ActionItemOther

Added StringContainingQuotedPath, which is used for ActionItemOther.

In the process, checked every ActionItemOther for those containing
filenames, and made them use quoting.

Sponsored-by: Graham Spencer on Patreon

Command/Wanted.hs

@@ -39,7 +39,7 @@ cmd' name desc getter setter = noMessages $
 	start ps@(rname:expr:[]) = do
 		u <- Remote.nameToUUID rname
 		let si = SeekInput ps
-		let ai = ActionItemOther (Just rname)
+		let ai = ActionItemOther (Just (UnquotedString rname))
 		startingUsualMessages name ai si $
 			performSet setter expr u
 	start _ = giveup "Specify a repository."