Retexture of weapons in the hands of the character Part 1 (#18326)

* Retexture of weapons in the hands of the character Part 1

The beginning of a PR series dedicated to the refinement of weapon textures

* Refinement of a homemade pistol

* Test bot fix

* Test bot fix

* Meta

Resources/Textures/Objects/Weapons/Guns/Shotguns/sawn.rsi/meta.json

@@ -1,7 +1,7 @@
 {
     "version": 1,
     "license": "CC-BY-NC-4.0",
-    "copyright": "Taken from TerraGov Marine Corps at https://github.com/tgstation/TerraGov-Marine-Corps/pull/7678/commits/e7bc17b894aa4c1f882358016346c3be00236df8, https://github.com/tgstation/TerraGov-Marine-Corps/blob/master/icons/obj/items/gun.dmi backpack sprite by Peptide",
+    "copyright": "Taken from TerraGov Marine Corps at https://github.com/tgstation/TerraGov-Marine-Corps/pull/7678/commits/e7bc17b894aa4c1f882358016346c3be00236df8, https://github.com/tgstation/TerraGov-Marine-Corps/blob/master/icons/obj/items/gun.dmi backpack sprite by Peptide, sprite modification by Jaсkal 298",
     "size": {
         "x": 32,
         "y": 32