Fix share icon spacing in thank you email

[krcarlson]

Katharine writes:
We were testing an action today and we discovered that the share buttons in the thank you letter look...odd. I've attached screenshots. Basically, without images turned on, the justification is all off. With images turned on, the text is VERY close to the images.

https://redmine.eff.org/issues/24947

[Manish3212]

is someone working on this issue?
if not may I work on it?