3177: look for checked persistent selections on submit.
Merge branch 'master' into 3177-collection-choose-files
Merge branch 'master' into 3177-collection-choose-files
3177: propagate checkbox selection param when dataclass is File.
3177: restrict only one file selection in collection chooser; remove clippy; clear selections on load.
3177: store input pdh value even when input dataclass is File. Update two tests to no longer look for clippy.
3177: add tests for a template that uses dataclass = File
3177: trailing white space
3177: try to partition input selection only if it is a string
3177: String != 'String'
Merge branch 'master' into 3177-collection-choose-files
Merge branch 'master' into 3177-collection-choose-files
Merge branch 'master' into 3177-collection-choose-files
Merge branch 'master' into 3177-collection-choose-files
Merge branch 'master' into 3177-collection-choose-files
3177: in file chooser mode, allow row selection
Merge branch 'master' into 3177-collection-choose-files

Conflicts:
	apps/workbench/app/views/collections/_choose_rows.html.erb
3177: file selection
Merge branch 'master' into 3177-collection-choose-files
3177: update test to select row in preview panel