Fixes to mob equipment behaviour

* Set correct flag for CanPickUpLoot on NBT load
* Drop previous equipment on mob equipment pickup

nms-patches/EntityInsentient.patch

@@ -75,7 +75,7 @@
 -            this.m(nbttagcompound.getBoolean("CanPickUpLoot"));
 +            boolean data = nbttagcompound.getBoolean("CanPickUpLoot");
 +            if (isLevelAtLeast(nbttagcompound, 1) || data) {
-+                this.l(data);
++                this.m(data);
 +            }
          }
  
@@ -88,7 +88,17 @@
          NBTTagList nbttaglist;
          int i;
  
-@@ -569,11 +621,11 @@
+@@ -521,7 +573,9 @@
+             }
+ 
+             if (!itemstack1.isEmpty() && (double) (this.random.nextFloat() - 0.1F) < d0) {
++                this.forceDrops = true; // CraftBukkit
+                 this.a(itemstack1, 0.0F);
++                this.forceDrops = false; // CraftBukkit
+             }
+ 
+             if (itemstack.getItem() == Items.DIAMOND && entityitem.n() != null) {
+@@ -569,11 +623,11 @@
                  double d2 = entityhuman.locZ - this.locZ;
                  double d3 = d0 * d0 + d1 * d1 + d2 * d2;
  
@@ -102,7 +112,7 @@
                      this.die();
                  } else if (d3 < 1024.0D) {
                      this.ticksFarFromPlayer = 0;
-@@ -942,12 +994,24 @@
+@@ -942,12 +996,24 @@
  
      public final boolean b(EntityHuman entityhuman, EnumHand enumhand) {
          if (this.isLeashed() && this.getLeashHolder() == entityhuman) {
@@ -127,7 +137,7 @@
                  this.setLeashHolder(entityhuman, true);
                  itemstack.subtract(1);
                  return true;
-@@ -968,10 +1032,12 @@
+@@ -968,10 +1034,12 @@
  
          if (this.bD) {
              if (!this.isAlive()) {
@@ -140,7 +150,7 @@
                  this.unleash(true, true);
              }
          }
-@@ -982,7 +1048,9 @@
+@@ -982,7 +1050,9 @@
              this.bD = false;
              this.leashHolder = null;
              if (!this.world.isClientSide && flag1) {
@@ -150,7 +160,7 @@
              }
  
              if (!this.world.isClientSide && flag && this.world instanceof WorldServer) {
-@@ -1052,6 +1120,7 @@
+@@ -1052,6 +1122,7 @@
  
                  this.setLeashHolder(entityleash, true);
              } else {