index.html, js/app.js: proposes again the SVG export

Partially revert 3eb36527.
See #3464.
14 jobs for feature-c/3464-export-svg in 9 minutes and 54 seconds (queued for 3 seconds)
latest
Status Job ID Name Coverage
  Test Tools
passed #720290
test_tools

00:00:09

 
  Test Quality
passed #720291
web
code_quality

00:00:10

 
  Test Unit
passed #720292
web
test_browser_unit

00:00:55

 
  Deploy Review
passed #720293
web
deploy_review

00:00:25

manual #720294
web allowed to fail manual
stop_deploy_review
 
  Test Functional
passed #720297
web
chrome-browser-functional

00:04:35

passed #720295
web
ff32-browser-functional

00:04:29

passed #720296
web
ff45-browser-functional

00:05:01

passed #720298
legacy
old-chrome-browser-functional

00:04:06

 
  Test Functional External
passed #720303
web
chrome-browser-functional-external

00:01:42

passed #720299
web
ff32-browser-functional-external

00:01:58

passed #720300
web
ff45-browser-functional-external

00:02:10

passed #720302
legacy
old-chrome-browser-functional-external-chrome

00:01:55

failed #720301
web
chrome-browser-functional-external

00:01:26