en to sv translation catalogue (3 entries)

[ctx: KTreeWidgetSearchLine|@info:placeholder]
en: Search…
sv: Sök…

[ctx: KTreeWidgetSearchLine|@title:menu]
en: Search Columns
sv: Sök i kolumner

[ctx: KTreeWidgetSearchLine|@optipn:check]
en: All Visible Columns
sv: Alla synliga kolumner
