fix(soba/staging): use boolean coercions

Author: nartc

libs/soba/staging/src/lib/accumulative-shadows.ts

@@ -64,15 +64,15 @@ const defaultOptions: NgtsAccumulativeShadowsOptions = {
 				<ng-content />
 			</ngt-group>
 
-			<ngt-mesh #plane [scale]="scale()" [rotation]="[-Math.PI / 2, 0, 0]" [receiveShadow]="true">
+			<ngt-mesh #plane [scale]="scale()" [rotation]="[-Math.PI / 2, 0, 0]" receiveShadow>
 				<ngt-plane-geometry />
 				<ngt-soft-shadow-material
 					[depthWrite]="false"
 					[toneMapped]="toneMapped()"
 					[color]="color()"
 					[blend]="colorBlend()"
 					[map]="map()"
-					[transparent]="true"
+					transparent
 				/>
 			</ngt-mesh>
 		</ngt-group>