Add hack to support buttonrama without change to code adding submit #307
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This is a bit hacky but I looked at cividiscount & concluded we should support the existing
code if we could - if nothing else then to simplify messaging about buttonrama. With this change no change is required
to cividiscount (although I did put up another change to cividiscount which I found to be broken on a different issue civicrm/org.civicrm.module.cividiscount#242)
Without this
With this
Having figured this out I'm not 100% sure it was worth the work I put in :-). However, it does mean that no version specific code is required in extensions. I think only a small handle of extensions are affected (including on by @agh1 who I'm sure knows what to do) - but OTOH the way cividiscount does it is nasty & not having to change that right now feels like a bonus