Adds missing gas canisters and improves the UI (#2794)

* Adds missing gas canisters and improves the UI

* Pad the label

Resources/Prototypes/Entities/Constructible/Ground/gascanisters.yml

@@ -60,6 +60,26 @@
           - VaultImpassable
           - SmallImpassable
 
+- type: entity
+  parent: GasCanister
+  id: StorageCanister
+  name: Storage Canister
+  components:
+    - type: Sprite
+      sprite: Constructible/Atmos/canister.rsi
+      state: yellow # Classic toxins canister
+    - type: GasCanister
+      gasMixture:
+        volume: 1000
+        moles: # List of gasses for easy reference
+          - 0 # oxygen
+          - 0 # nitrogen
+          - 0 # CO2
+          - 0 # Phoron
+          - 0 # Tritium
+          - 0 # Water vapor
+        temperature: 293.15
+
 # Filled canisters, contain 1871.71051 moles each
 
 - type: entity
@@ -93,6 +113,39 @@
         - 1871.71051 # oxygen
       temperature: 293.15
 
+- type: entity
+  parent: GasCanister
+  id: NitrogenCanister
+  name: Nitrogen Canister
+  components:
+    - type: Sprite
+      sprite: Constructible/Atmos/canister.rsi
+      state: red
+    - type: GasCanister
+      gasMixture:
+        volume: 1000
+        moles:
+          - 0 # oxygen
+          - 1871.71051 # nitrogen
+        temperature: 293.15
+
+- type: entity
+  parent: GasCanister
+  id: CarbonDioxideCanister
+  name: Carbon Dioxide Canister
+  components:
+    - type: Sprite
+      sprite: Constructible/Atmos/canister.rsi
+      state: black
+    - type: GasCanister
+      gasMixture:
+        volume: 1000
+        moles:
+          - 0 # oxygen
+          - 0 # nitrogen
+          - 1871.71051 # CO2
+        temperature: 293.15
+
 - type: entity
   parent: GasCanister
   id: PhoronCanister
@@ -110,3 +163,42 @@
           - 0 # carbon dioxide
           - 1871.71051 # phoron
         temperature: 293.15
+
+- type: entity
+  parent: GasCanister
+  id: TritiumCanister
+  name: Tritium Canister
+  components:
+    - type: Sprite
+      sprite: Constructible/Atmos/canister.rsi
+      state: green
+    - type: GasCanister
+      gasMixture:
+        volume: 1000
+        moles:
+          - 0 # oxygen
+          - 0 # nitrogen
+          - 0 # CO2
+          - 0 # Phoron
+          - 1871.71051 # Tritium
+        temperature: 293.15
+
+- type: entity
+  parent: GasCanister
+  id: WaterVaporCanister
+  name: Water Vapor Canister
+  components:
+    - type: Sprite
+      sprite: Constructible/Atmos/canister.rsi
+      state: water_vapor
+    - type: GasCanister
+      gasMixture:
+        volume: 1000
+        moles:
+          - 0 # oxygen
+          - 0 # nitrogen
+          - 0 # CO2
+          - 0 # Phoron
+          - 0 # Tritium
+          - 1871.71051 # Water vapor
+        temperature: 293.15