chore(ios): Set Localizable.strings to UTF-8

fix(mac): register configuration window on load

Fixes #3945.

When the configuration window is opened via `showPreferences`, we were
not aware that the configuration window had been opened, so subsequent
references to it would recreate it.

feat(ios): auto-bundles the most recent version of default resources

fix(ios): removal of default keyboard respected when updating app

fix(windows): setup must save install state for restarts

fix(windows): keep online update in focus

chore(windows): fully disable auto start task

Co-authored-by: Marc Durdin <marc@durdin.net>

chore(ios): Merge branch 'fix/ios/default-resource-handling-on-app-upgrade' into feat/ios/auto-bundling-default-resources

Fixes #4554.

The Online Update form did not have the correct owner window for some
operations, meaning that the elevation dialog would not get foreground.

auto: increment beta version to 14.0.260

chore(linux): Move signature files as well

chore(ios): Merge branch 'fix/ios/default-resource-handling-on-app-upgrade' into feat/ios/auto-bundling-default-resources

fix(android/engine): Reset in-app context when selection changes

If the registry setting `HKCU\Software\Keyman
Engine\Debug:Flag_UseAutoStartTask[REG_WORD]` is not `0`, then the this
will enable the restart task. Otherwise, all aspects of it are disabled.

For Keyman 14.0 initial release, we will have this flag disabled. If we
can improve stability of it, we'll consider turning it on.

fix(web): better check for missing MutationObserver type

chore(developer): add B11 ISO code for ABNT2 keyboard

This will take care of another lintian warning on Debian.

auto: increment beta version to 14.0.259

docs(common): Update npm-packages readme

fix(common/models): prevents "undefined" reversion display string