parameters for updateView must be optional (#15457)
parameters for updateView must be optional (#15457)

the function updateView can be called without parameters according to docs:
https://docs.dhtmlx.com/scheduler/api__scheduler_updateview.html
ashwinr/DefinitelyTyped,benishouga/DefinitelyTyped,borisyankov/DefinitelyTyped,mcrawshaw/DefinitelyTyped,chrootsu/DefinitelyTyped,dsebastien/DefinitelyTyped,AgentME/DefinitelyTyped,one-pieces/DefinitelyTyped,rolandzwaga/DefinitelyTyped,minodisk/DefinitelyTyped,nycdotnet/DefinitelyTyped,mcrawshaw/DefinitelyTyped,GiedriusGrabauskas/DefinitelyTyped,zuzusik/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,magny/DefinitelyTyped,amir-arad/DefinitelyTyped,jimthedev/DefinitelyTyped,rolandzwaga/DefinitelyTyped,zuzusik/DefinitelyTyped,benishouga/DefinitelyTyped,aciccarello/DefinitelyTyped,ashwinr/DefinitelyTyped,aciccarello/DefinitelyTyped,markogresak/DefinitelyTyped,nycdotnet/DefinitelyTyped,YousefED/DefinitelyTyped,isman-usoh/DefinitelyTyped,mcliment/DefinitelyTyped,dsebastien/DefinitelyTyped,laurentiustamate94/DefinitelyTyped,AgentME/DefinitelyTyped,QuatroCode/DefinitelyTyped,borisyankov/DefinitelyTyped,jimthedev/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,arusakov/DefinitelyTyped,abbasmhd/DefinitelyTyped,georgemarshall/DefinitelyTyped,QuatroCode/DefinitelyTyped,abbasmhd/DefinitelyTyped,AgentME/DefinitelyTyped,georgemarshall/DefinitelyTyped,benliddicott/DefinitelyTyped,arusakov/DefinitelyTyped,chrootsu/DefinitelyTyped,magny/DefinitelyTyped,aciccarello/DefinitelyTyped,arusakov/DefinitelyTyped,johan-gorter/DefinitelyTyped,alexdresko/DefinitelyTyped,georgemarshall/DefinitelyTyped,benishouga/DefinitelyTyped,alexdresko/DefinitelyTyped,minodisk/DefinitelyTyped,johan-gorter/DefinitelyTyped,YousefED/DefinitelyTyped,smrq/DefinitelyTyped,smrq/DefinitelyTyped,jimthedev/DefinitelyTyped,isman-usoh/DefinitelyTyped,AgentME/DefinitelyTyped,GiedriusGrabauskas/DefinitelyTyped,georgemarshall/DefinitelyTyped,zuzusik/DefinitelyTyped,AbraaoAlves/DefinitelyTyped