Unset Ignited flag on cancel of Explosion Event

Otherwise the creeper infinite explodes

paper-server/patches/sources/net/minecraft/world/entity/monster/Creeper.java.patch

@@ -54,7 +54,7 @@
                      itemstack.shrink(1);
                  } else {
                      itemstack.hurtAndBreak(1, player, getSlotForHand(hand));
-@@ -246,11 +266,20 @@
+@@ -246,11 +266,21 @@
          if (world instanceof ServerLevel worldserver) {
              float f = this.isPowered() ? 2.0F : 1.0F;
  
@@ -72,12 +72,13 @@
 +            // CraftBukkit start
 +            } else {
 +                this.swell = 0;
++                this.entityData.set(DATA_IS_IGNITED, Boolean.valueOf(false)); // Paper
 +            }
 +            // CraftBukkit end
          }
  
      }
-@@ -258,9 +287,10 @@
+@@ -258,9 +288,10 @@
      private void spawnLingeringCloud() {
          Collection<MobEffectInstance> collection = this.getActiveEffects();
  
@@ -89,7 +90,7 @@
              entityareaeffectcloud.setRadius(2.5F);
              entityareaeffectcloud.setRadiusOnUse(-0.5F);
              entityareaeffectcloud.setWaitTime(10);
-@@ -274,7 +304,7 @@
+@@ -274,7 +305,7 @@
                  entityareaeffectcloud.addEffect(new MobEffectInstance(mobeffect));
              }