[Developer] Fixes #2049. Rework Lexical Model template dialog to improve usability

[Developer] Removes final references to old wordBreaking property

[iOS] iOS sample project update

[Web] Adds handling for pt and unitless font size specs

[Web] Error logging for internal events

[Android] [iOS] Use Canadian Multilingual keyboard for French for FV Keyboards, rather than Eurolatin

[Android] [iOS] Use Canadian Multilingual keyboard for French for FV Keyboards, rather than Eurolatin

Per PR comment, use the one-time preference so user has the option to uninstall the default dictionary.

Also made a separate preference for the default keyboard.

[Web] Fixes CSS issue affecting some Android devices

[Web] Merges the duplicated VisualKeyboard.adjustHeights() methods

[Web] Reversion logic fix for predictive banner

* Allow the kmp to be installed if the lexical model doesn't exist
* Modify PackageActivity to silently install kmp files without user confirmation on welcome.htm page
* Fix package ID extracted from `.model.kmp` files to not include `model`.

[Windows] Apply changes from #1609 to 12.0 beta