Feature: #82855 - Update Metadata of online media assets

See forge#82855

Description

A new action Reload Metadata has been added to the secondary options dropdown of online media assets, such as youtube and vimeo videos, in the Filelist module. Additonally also the context menu of such files has been extended for the new action.

The action allows to reload the corresponding information from the external service. Those information are e.g. the preview image, the author or the dimensions of the online media asset.

Impact

It's now possible to reload the Metadata of an online media asset using the new Reload Metadata action.