delivers 47209991 - defaults for non-editable enums
View changes (textfields to textareas, enum fixes)

Delivers #46217967, #43820677, #49079625

* Use textareas for `title` properties (acccesions; archival objects;
  digital objects; digital object components; resources)
* Use textareas for `date.expression`, `extent.container_summary`,
  `extent.physical_details`, and `extent.dimensions`
* Make `file_versions` template use `file_versions_file_format_name`
  enum instead of text field (see #46673841)
* Make `digital_objects.level` allow null values
* Translation edits: `digital_object.level`, `date.certainty_tooltip`,
  `date.era_tooltip`
Update Selenium test workaround for textarea changes
Fix textarea xpaths for Selenium tests
Fix fillScreen for the AS util modal - was displaying half off screen at <976px width screens
Use the BackendEnumSource to cache enum values when rendering records too
create a half-size long string type
add max lengths to YARD documentation
make sure the frontend import directory exists
Merge branch 'master' into form-enum-and-textarea-tweaks
support json fields of type: integer
add files to mets exports
Merge pull request #414 from hudmol/less-long-long-string

create a half-size long string type
Merge pull request #413 from anarchivist/form-enum-and-textarea-tweaks

View changes (textfields to textareas, enum fixes)
Sort enumeration names in the dropdown selector
Merge pull request #416 from hudmol/export-file-versions-in-mets

Export file versions in mets
Add missing translation for default_set
Merge pull request #412 from hudmol/non-editable-yet-configurable-enums

delivers 47209991 - defaults for non-editable enums
Squashed commits of the following:

  47e28f7 add default values for eac imports, replace a test
  63c4d29 fix typo
  9d85db0 update subject type keys
  3347d2a minor fixes of post merge brokeness
  b752118 deleting zombie files
  1e87509 complete merge
  7093b92 clean up rakefile
  caf82d7 refactor import code
  e7ee3d0 WIP importer rework
Correct maximum size for inlining notes