Quality-of-life improvements in Flow

[mshabarov]

Description

Address the highly voted and valuable enhancements in Flow and Flow add-ons.
Time-limited to a 6 weeks for one-two developers.
Each enhancement is supposed to take 1-2 man/days.

Issues list in priority order (higher priority first)

• To be re-checked if it’s already fixed in feat: Update navigation method signatures  flow#17407
  • Allow specifying query parameters when forwarding or rerouting flow#7680
• Better error handling on navigation
  • Allow navigating to an error view when an exception occurs after a page is loaded flow#4715
• CTRL shortcut for submitting a form
  • Button click shortcut listener does not recognize value change when using control key flow#5959
• @RouteScope better documentation
  • Document how to preserve beans with @RouteScope when migrating from v7/v8 flow#6395
• Default I18N provider
  • Provide a default I18NProvider flow#5917
• Reroute to a custom page if access is denied
  • Enable rerouting to a custom page if a View-based access is denied flow#11335
• API for Location and View chain
  • create server-side API to access the current Location and the View chain flow#1894
• Pass a text to DIV CTOR
  • Div constructor should accept content flow#3662
• Not swallow JS errors in prod mode
  • JavaScript exceptions should not be swallowed in production mode flow#2963
• RouteParameters in AfterNavigationEvent
  • AfterNavigationEvent should give access to RouteParameters as well flow#9993
• Component reference in ErrorHandler
  • ErrorHandler has no access to the origin component of the exception flow#13044
• Running two apps in the same browser
  • Cannot run two applications on localhost (with different ports) in same browser flow#17593
• TestBench Testers for the new components:
  • Add Testers for SideNav, TabSheet and MultiSelectComboBox / UI Unit Tests testbench#1635
• Java methods for most used element styles (can be extended during project)
  • Cover more properties with the typed API in Style flow#17729
• Extend DefaultI18NProvider for Spring
  • Extend DefaultI18NProvider for Spring flow#17836

Dropped from the list for now:

• Spring AtEventListener support in component - need additional investigation: singletons vs prototypes
  • Spring @EventListener support in component spring#272
• Copy-paste from clipboard - works only in Chrome
  • Clipboard API flow#17703