minor #3749 Fix email field class (UNIT23)
minor #3749 Fix email field class (UNIT23)

This PR was merged into the 3.0.x-dev branch.

Discussion
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Fix email field class

Fix email field class in documentation.

Commits
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d88b6f28 Update fields.rst

javiereguiluz/EasyAdminBundle,javiereguiluz/EasyAdminBundle