client: update event text for tracks which have been deleted
client: update event text for tracks which have been deleted

"(Deleted Track)" instead of "Nothing"

dwrensha/groovebasin,neynah/groovebasin,sammcj/groovebasin,dwrensha/groovebasin,neynah/groovebasin,Qbuer/groovebasin,Qbuer/groovebasin,gorlug/groovebasin,CalebMorris/groovebasin,andrewrk/groovebasin,emersion/groovebasin,gorlug/groovebasin,melissanoelle/groovebasin,neynah/groovebasin,andrewrk/groovebasin,andrewrk/groovebasin,dwrensha/groovebasin,sammcj/groovebasin,emersion/groovebasin,dwrensha/groovebasin,sammcj/groovebasin,CalebMorris/groovebasin,gorlug/groovebasin,Qbuer/groovebasin,melissanoelle/groovebasin,CalebMorris/groovebasin,emersion/groovebasin,melissanoelle/groovebasin