[4288] fixed multi threaded access to TimeTool date format
[4288] fixed multi threaded access to TimeTool date format
sazgin/elexis-3-core,sazgin/elexis-3-core,elexis/elexis-3-core,sazgin/elexis-3-core,elexis/elexis-3-core,elexis/elexis-3-core,sazgin/elexis-3-core,elexis/elexis-3-core