FIX: Repair entity sizing with long property values

Summary

Fixes a problem whereby too long property values (e.g., long list properties) would cause line breaks and would move the edit mode box outside the view port. Also fixes changing the map view.

Focus

Some css changes, also the entering the edit mode now toggles an addtional class for .caosdb-f-main-entities.

Test Environment

Create a record with a reference property with a long list of references as a value -- the list has to be long enough for the previews to overflow the property value column. Verify that this doesn't cause a line break in the property row. Also verify that even on small an iPad viewport, the edit mode box stays in view. Also check that changing the map view, e.g., from mercator to polar, doesn't lead to a grey box appearing above the actual map.

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