Updated (most) medipen sprites (#22789)

* changed sprites

* desaturated a bit

Resources/Textures/Objects/Specific/Medical/medipen.rsi/meta.json

@@ -1,7 +1,7 @@
 {
   "version": 1,
   "license": "CC-BY-SA-3.0",
-  "copyright": "tgstation at 986af32e22a88dae14fd147d812a5a4d27c1bc30 | stimpen sprites made by PuroSlavKing (Github) for Space Station 14",
+  "copyright": "tgstation at 986af32e22a88dae14fd147d812a5a4d27c1bc30 | stimpen sprites made by PuroSlavKing (Github) for Space Station 14. Nearly all resprited by joshepvodka",
   "size": {
     "x": 32,
     "y": 32
@@ -10,6 +10,9 @@
     {
       "name": "medipen"
     },
+    {
+      "name": "medipen_empty"
+    },
     {
       "name": "firstaid"
     },
@@ -22,15 +25,18 @@
     {
       "name": "hypovolemic_empty"
     },
-    {
-      "name": "medipen_empty"
-    },
     {
       "name": "stimpen"
     },
     {
       "name": "stimpen_empty"
     },
+    {
+      "name": "microstimpen"
+    },
+    {
+      "name": "microstimpen_empty"
+    },
     {
       "name": "morphen"
     },