Add setting to wait for JS event (e.g from a cookie bar)

[katzmo]

No description provided.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (7.x-2.x@07c75c9). Click here to learn what that means.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             7.x-2.x       #9   +/-   ##
==========================================
  Coverage           ?   23.35%           
  Complexity         ?       24           
==========================================
  Files              ?        3           
  Lines              ?      167           
  Branches           ?        0           
==========================================
  Hits               ?       39           
  Misses             ?      128           
  Partials           ?        0           

Impacted Files	Coverage Δ	Complexity Δ
webform_tracking.module	0.00% <0.00%> (ø)	0.00 <0.00> (?)

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