fix: issue when modifying default components

[Maganoos]

This fixes an issue relating to setting default item components, as it tries to sync a DataComponentMap with Optionals, while other implementations use Removed if not present, and the raw value if it is present.

[11:12:51] [Netty Epoll IO #5/ERROR] (Minecraft) Error sending packet clientbound/minecraft:container_set_content

io.netty.handler.codec.EncoderException: Failed to encode packet 'clientbound/minecraft:container_set_content'
	at knot//net.minecraft.network.codec.IdDispatchCodec.encode(IdDispatchCodec.java:61)
	at knot//net.minecraft.network.codec.IdDispatchCodec.encode(IdDispatchCodec.java:14)
	at knot//net.minecraft.network.PacketEncoder.encode$mixinextras$wrapped$11(PacketEncoder.java:26)
	at knot//net.minecraft.network.PacketEncoder.mixinextras$bridge$encode$mixinextras$wrapped$11$12(PacketEncoder.java)
	at knot//net.minecraft.network.PacketEncoder.mdf331e0$fabric-networking-api-v1$lambda$wrapWithContext$0$0(PacketEncoder.java:558)
	at java.base/jdk.internal.vm.ScopedValueContainer.runWithoutScope(ScopedValueContainer.java:112)
	at java.base/jdk.internal.vm.ScopedValueContainer.run(ScopedValueContainer.java:98)
	at java.base/java.lang.ScopedValue$Carrier.run(ScopedValue.java:466)
	at knot//net.minecraft.network.PacketEncoder.wrapMethod$zfo000$fabric-networking-api-v1$wrapWithContext(PacketEncoder.java:558)
	at knot//net.minecraft.network.PacketEncoder.encode$mixinextras$wrapped$13(PacketEncoder.java)
	at knot//net.minecraft.network.PacketEncoder.mixinextras$bridge$encode$mixinextras$wrapped$13$14(PacketEncoder.java)
	at knot//net.minecraft.network.PacketEncoder.mdf331e0$polymer-core$lambda$providePacket$0$1(PacketEncoder.java:1519)
	at java.base/jdk.internal.vm.ScopedValueContainer.runWithoutScope(ScopedValueContainer.java:112)
	at java.base/jdk.internal.vm.ScopedValueContainer.run(ScopedValueContainer.java:98)
	at java.base/java.lang.ScopedValue$Carrier.run(ScopedValue.java:466)
	at knot//net.minecraft.network.PacketEncoder.wrapMethod$zpo000$polymer-core$providePacket(PacketEncoder.java:1519)
// cut off
Caused by: java.lang.ClassCastException: class java.util.Optional cannot be cast to class net.minecraft.world.item.equipment.Equippable (java.util.Optional is in module java.base of loader 'bootstrap'; net.minecraft.world.item.equipment.Equippable is in unnamed module of loader 'knot' @d6da883)
	at knot//net.minecraft.network.codec.StreamCodec$17.encode(StreamCodec.java:477)
	at knot//net.minecraft.core.component.DataComponentPatch$3.encodeComponent(DataComponentPatch.java:139)
	at knot//net.minecraft.core.component.DataComponentPatch$3.encode(DataComponentPatch.java:125)
	at knot//net.minecraft.core.component.DataComponentPatch$3.encode(DataComponentPatch.java:74)
	at knot//eu.pb4.polymer.core.impl.networking.TransformingPacketCodec.encode(TransformingPacketCodec.java:17)
// cut off