[1.20.3] Move clientPickBlock APIs to client source set. (#3363)

* Move clientPickBlock APIs to client source set.

* Fix entrypoints

* Dont move impl class to test lol

fabric-events-interaction-v0/src/client/java/net/fabricmc/fabric/impl/event/interaction/client/InteractionEventsRouterClient.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package net.fabricmc.fabric.impl.event.interaction;
+package net.fabricmc.fabric.impl.event.interaction.client;
 
 import net.minecraft.block.BlockState;
 import net.minecraft.entity.Entity;

fabric-events-interaction-v0/src/main/resources/fabric.mod.json

@@ -25,7 +25,7 @@
       "net.fabricmc.fabric.impl.event.interaction.InteractionEventsRouter"
     ],
     "client": [
-      "net.fabricmc.fabric.impl.event.interaction.InteractionEventsRouterClient"
+      "net.fabricmc.fabric.impl.event.interaction.client.InteractionEventsRouterClient"
     ]
   },
   "description": "Events for player interaction with blocks and entities.",

fabric-events-interaction-v0/src/testmod/resources/fabric.mod.json

@@ -12,14 +12,14 @@
     "main": [
       "net.fabricmc.fabric.test.event.interaction.AttackBlockTests",
       "net.fabricmc.fabric.test.event.interaction.PlayerBreakBlockTests",
-      "net.fabricmc.fabric.test.event.interaction.PlayerPickBlockTests",
       "net.fabricmc.fabric.test.event.interaction.UseEntityTests"
     ],
     "fabric-gametest": [
       "net.fabricmc.fabric.test.event.interaction.FakePlayerTests"
     ],
     "client": [
-      "net.fabricmc.fabric.test.client.event.interaction.ClientPreAttackTests"
+      "net.fabricmc.fabric.test.client.event.interaction.ClientPreAttackTests",
+      "net.fabricmc.fabric.test.client.event.interaction.PlayerPickBlockTests"
     ]
   }
 }

fabric-events-interaction-v0/src/testmodClient/java/net/fabricmc/fabric/test/client/event/interaction/PlayerPickBlockTests.java

@@ -14,18 +14,18 @@
  * limitations under the License.
  */
 
-package net.fabricmc.fabric.test.event.interaction;
+package net.fabricmc.fabric.test.client.event.interaction;
 
 import net.minecraft.item.ItemStack;
 import net.minecraft.item.Items;
 import net.minecraft.util.Hand;
 
-import net.fabricmc.api.ModInitializer;
+import net.fabricmc.api.ClientModInitializer;
 import net.fabricmc.fabric.api.event.client.player.ClientPickBlockApplyCallback;
 
-public class PlayerPickBlockTests implements ModInitializer {
+public class PlayerPickBlockTests implements ClientModInitializer {
 	@Override
-	public void onInitialize() {
+	public void onInitializeClient() {
 		ClientPickBlockApplyCallback.EVENT.register((player, result, stack) -> {
 			if (player.getStackInHand(Hand.MAIN_HAND).getItem() == Items.DIAMOND) {
 				return new ItemStack(Items.OBSIDIAN);