Greenshield nitpick fixes (ss14Starlight#4836)

## Short description
Add some sprites and change an item name

## Why we need to add this
Red the Okay, I guess asked for these changes

## Media (Video/Screenshots)
<img width="342" height="69" alt="image"
src="https://github.com/user-attachments/assets/9f98034a-b05a-41a5-a9e0-d31a54939787"
/>
<img width="292" height="69" alt="image"
src="https://github.com/user-attachments/assets/0ce646cf-120a-4113-9c7f-5337825e32b6"
/>

## Checks
<!-- check boxes for faster reviewing of your PR -->

- [x] I do not require assistance to complete the PR.
- [x] Before posting/requesting review of a PR, I have verified that the
changes work.
- [x] I have added screenshots/videos of the changes, or this PR does
not change in-game mechanics.
- [x] I affirm that my changes are licensed under the [MIT
License](https://github.com/ss14Starlight/space-station-14/blob/Starlight/LICENSE.TXT)
and grant permission for use in this repository under its conditions.

Author: Lukeb28

Resources/Prototypes/_Starlight/Entities/Mobs/Player/humanoid.yml

@@ -570,7 +570,7 @@
   components:
     - type: Sprite
       sprite: _Starlight/Markers/jobs.rsi
-      state: obs
+      state: GSO
     - type: RandomHumanoidSpawner
       settings: CCGreenshieldBasic
 
@@ -581,7 +581,7 @@
   components:
     - type: Sprite
       sprite: _Starlight/Markers/jobs.rsi
-      state: obs
+      state: GSO
     - type: RandomHumanoidSpawner
       settings: CCGreenshieldEVA
 

Resources/Prototypes/_Starlight/Entities/Objects/Specific/Medical/LockableBodyBag.yml

@@ -57,12 +57,12 @@
   id: BodyBagCC
   parent: [ BodyBagLockable, BaseCentcommContraband ]
   suffix: DO NOT MAP
-  name: CentComm Lockable body bag
+  name: CentComm lockable body bag
   components:
     - type: Sprite
-      sprite: _Starlight/Admeme/Objects/MedTak/bodybag.rsi
+      sprite: _Starlight/Objects/Specific/Medical/cclockablebodybag.rsi
     - type: Icon
-      sprite: _Starlight/Admeme/Objects/MedTak/bodybag.rsi
+      sprite: _Starlight/Objects/Specific/Medical/cclockablebodybag.rsi
       state: bag
     - type: AccessReader
       access: [["BlueShield"]]

Resources/Textures/_Starlight/Markers/jobs.rsi/GSO.png

@@ -75,6 +75,11 @@
     },
     {
       "name": "nct"
+    },
+    {
+      "name": "GSO",
+      "copyright": "Made by born_stellar on discord",
+      "license": "CC-BY-SA-3.0"
     }
   ]
 }