item meta hasLocalizedName, getLocalizedName and setLocalizedName
is outdated

the item will generate/get/set {display:{LocName:'

{"text":"block.minecraft.iron_ore"}

'}}
which LocName was remove in 1.13 and change to translate
the correct one would be {display:Name:'

{"translate":"block.minecraft.iron_ore"}

'}

(in the picture I attached use meta.setLocalizedName, the second picture is vanilla NBT that work)