[WiP] Deprecate Explore v1 (#2064)

* Simplifying the viz interface (#2005)

* Working on dashes

* Making this a collaborative branch

* Fixing some bugs

* Fixing bugs

* More improvements

* Add datasource back in bootstrap data

* Decent state

* Linting

* Moving forward

* Some more linting

* Fix the timer

* Triggering events through state

* Lingint

* Put filters in an array instead of flt strings (#2090)

* Put filters in an array instead of flt strings

* Remove query_filter(), put opChoices into Filter

* Update version_info.json

* Fix migrations

* More renderTrigger=true

* Fixing bugs

* Working on standalone

* getting standalone to work

* Fixed forcedHeight for standalone =view

* Linting

* Get save slice working in v2 (#2106)

* Filter bugfix

* Fixing empty series limit bug

* Fixed dashboard view

* Fixing short urls

* Only allow owners to overwrite slice (#2142)

* Raise exception when date range is wrong

* Only allow owner to overwrite a slice

* Fix tests for deprecate v1 (#2140)

* Fixed tests for control panels container and filters

* Fixed python tests for explorev2

* Fix linting errors

* Add in stop button during slice querying/rendering (#2121)

* Add in stop button during slice querying/rendering

* Abort ajax request on stop

* Adding missing legacy module

* Removing select2.sortable.js because of license

* Allow query to display while slice is loading (#2100)

* Allow query to display while slice is loading

* Put latestQueryFormData in store

* Reorganized query function, got rid of tu[le return values

* Merging migrations

* Wrapping up shortner migration

* Fixing tests

* Add folder creation to syncBackend

* Fixing edit URL in explore view

* Fix look of Stop button

* Adding syntax highlighting to query modal

* Fix cast_form_data and flase checkbox on dash

* Bugfix

* Going deeper

* Fix filtering

* Deleing invalid filters when changing datasource

* Minor adjustments

* Fixing calendar heatmap examples

* Moving edit datasource button to header's right side

* Fixing mapbox example

* Show stack trace when clicking alert

* Adding npm sync-backend command to build instruction

* Bumping up JS dependencies

* rm dep on select2

* Fix py3 urlparse

* rm superset-select2.js

* Improving migration scripts

* Bugfixes on staging

* Fixing Markup viz

superset/assets/visualizations/iframe.js

@@ -1,8 +1,8 @@
 const $ = require('jquery');
 
-function iframeWidget(slice, payload) {
+function iframeWidget(slice) {
   $('#code').attr('rows', '15');
-  const url = slice.render_template(payload.form_data.url);
+  const url = slice.render_template(slice.formData.url);
   slice.container.html('<iframe style="width:100%;"></iframe>');
   const iframe = slice.container.find('iframe');
   iframe.css('height', slice.height());