Solutions on thrown spears/shot arrows (#20416)

* Solutions on thrown spears/shot arrows

Spears inject their solution on thrown hit.
Arrows now have 5u solution storage that is injected when it hits target.

* Whoops, wrong arrow.

Instead of base arrow, I accidentally modified the 'regular arrow'

* spear and arrow solution graphics

Spears and arrows now show what they are doped with when they are on ground. (just like beakers)

Resources/Textures/Objects/Weapons/Melee/spear.rsi/meta.json

@@ -10,6 +10,9 @@
     {
       "name": "spear"
     },
+    {
+      "name": "spear1"
+    },
     {
       "name": "inhand-left",
       "directions": 4