fix(core): do not encode false booleans as nulls
fix(core): do not encode false booleans as nulls

broken by c8fd22e37b8360eb6502bc1f5f12b0d3745acab4

Booleans in arrays of value "false" were incorrectly encoded as "null"
Previously: [true,null,true]
Currently: [true,false,true]
open62541/open62541,jpfr/open62541,jpfr/open62541,open62541/open62541,JGrothoff/open62541,JGrothoff/open62541,jpfr/open62541,open62541/open62541,open62541/open62541,jpfr/open62541,JGrothoff/open62541,JGrothoff/open62541