Revert "(style) Pulldown menus - Last entry not shown completely, https://github.com/opnsense/core/issues/848 https://github.com/opnsense/core/pull/852"

This reverts commit b32d93da.

Requested by: coffee

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translation

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support multiple values in ModelRelationField, fixes #868

Example (from @fraenki):
<field>
        <label>Tuning Options</label>
        <type>header</type>
</field>

oops, meant sessionStorage in stead of localStorage, no need to keep things beyond the duration of the session. https://github.com/opnsense/core/issues/840

(legacy) remember scroll position for non ajax toggle/move, https://github.com/opnsense/core/issues/840