Related to jira issue OE-1049
Related to jira issue OE-1049

Fixed the 'firm' dropdown being available after a page refresh when 'all specialties' was selected. the correct behaviour is for the firm dropdown to be disabled.

FiviumAustralia/OpenEyes,FiviumAustralia/OpenEyes,FiviumAustralia/OpenEyes,FiviumAustralia/OpenEyes,FiviumAustralia/OpenEyes