partitionResolvable
fun partitionResolvable(metadata: List<AttachmentMetaData>): Pair<List<AttachmentMetaData>, List<AttachmentMetaData>>
Partitions metadata into resolvable and unresolvable items.
An item is considered resolvable if its content URI can be opened for reading. Metadata entries without a URI are treated as resolvable.
Return
A Pair where the first element contains resolvable items and the second contains unresolvable items.
Parameters
metadata
The metadata to partition.