fix(client): Remove the ability for IE8 and IE10+ to show the password field.

Add the `no-toggle-pw` class to the body if the browser does not support toggling the password field type.
Add the `reveal-pw` which indicates the browser has its own password show mechanism. Hard coded to >= IE10.

fixes #1114
fixes #1015

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Merge branch 'master' into issue-1114-ie8-password-toggle
Merge branch 'issue-1114-ie8-password-toggle'