* allow BACK button to work even if invalid state VRFS-3924

web/app/assets/javascripts/react-components/TeacherSetupBasics.js.jsx.coffee

@@ -55,7 +55,7 @@ rest = window.JK.Rest()
   handleNav: (e) ->
     navTo = this.navDestination(e)
     this.state.validate_basics = true
-    teacherActions.change.trigger(this.state, {navTo: navTo})
+    teacherActions.change.trigger(this.state, {navTo: navTo, instructions:e})
 
   render: () ->
     # Render the following:

web/app/assets/javascripts/react-components/TeacherSetupExperience.js.jsx.coffee

@@ -53,7 +53,7 @@ rest = window.JK.Rest()
   handleNav: (e) ->
     logger.debug("handleNav #{this.screenName()}: ", this.state, this, e)
     navTo = this.navDestination(e)
-    teacherActions.change.trigger(this.state, {navTo: navTo})
+    teacherActions.change.trigger(this.state, {navTo: navTo, instructions:e})
 
   handleListChange: (listName, listObjects)->
     logger.debug("EXPERIENCE handleListChange:", listName, listObjects)

web/app/assets/javascripts/react-components/TeacherSetupIntroduction.js.jsx.coffee

@@ -43,7 +43,7 @@ rest = window.JK.Rest()
 
   handleNav: (e) ->
     navTo = this.navDestination(e)
-    teacherActions.change.trigger(this.state, {navTo: navTo})
+    teacherActions.change.trigger(this.state, {navTo: navTo, instructions:e})
 
   render: () ->
     `<div className="TeacherSetupIntroduction TeacherSetupComponent" >

web/app/assets/javascripts/react-components/TeacherSetupPricing.js.jsx.coffee

@@ -150,7 +150,7 @@ rest = window.JK.Rest()
     if navTo == 'rejected'
       # do nothing...handled elsewhere
     else
-      teacherActions.change.trigger(this.state, {navTo: navTo})
+      teacherActions.change.trigger(this.state, {navTo: navTo, instructions:e})
 
   handleFocus: (e) ->
     @pricePerLessonCents=e.target.value

web/app/assets/javascripts/react-components/stores/TeacherStore.js.coffee

@@ -69,6 +69,10 @@ EVENTS = context.JK.EVENTS
           if (jqXHR.status==422)
             logger.debug("FAILED422",jqXHR.responseJSON.errors)
             this.trigger({errors: jqXHR.responseJSON.errors})
+            if instructions?.instructions?.direction == 'back'
+              if instructions.navTo?
+                logger.debug("NAVIGATING TO",instructions.navTo)
+                window.location = instructions.navTo
           else
             context.JK.app.ajaxError(textStatus)
         )