Mouse-Over field-name currently only for admins

[sebastian-marinescu]

Summary

In the "edit-view" when hovering over the labels, as an administrator, you see the field-name popping up, as a not-admin, you don't.

Step to reproduce

Hover over a field-label.

Observed behavior

As an admin you get the name of the available placeholder:

As an editor (another group), you don't.

Expected behavior

As ClientConfig is for the editors/clients, they should definitely get the mouse-over-info, so they can independently use these, without needing to "remember" it.

[Mark-H]

This was actually intentionally hidden for clients, as it's kind of a technical implementation detail that those users really shouldn't care about. I'm okay with adding a setting that toggles that behaviour though.

[Ruslan-Aleev]

For a client (not even very experienced) it will be useful to see the name of the setting. It can be explained to him that he can use a setting in the text, for example [[++phone]], and everyone will win :)

By the way, the tooltip of fields with the type "file" and "image" (maybe with other types) are not shown at all.