failed download restart

Imitated "failed" downloads fail faster now

KDoc added for DownloaderService::runTaskWithEvents

download button actions

logs modal

delete download

removed unneded function

removed unneded function

edit download item modal

add song modal for the download list

modal module raname + button title param

saving changes for modals

changes

error handling + some fixes for the modal

move to downloads modal got generalized in order to accomodate the 'add sond' dialog on the downlods page

docs

progressbar: no 'of' when the stage name is empty

progress bar: the current status gets published upon subscription

progressbar ongoing work

ongoing status work

progress bar changes

storage rewritten using the API style

renamed the store vars

download info: save changes