Adds a UI for gas filters (#5052)

* Adds a UI for gas filters

* Address reviews

* Update Content.Client/Atmos/UI/GasFilterBoundUserInterface.cs

* Update Content.Server/Atmos/Piping/Trinary/EntitySystems/GasFilterSystem.cs

* Fix build

Co-authored-by: ike709 <ike709@github.com>
Co-authored-by: Vera Aguilera Puerto <6766154+Zumorica@users.noreply.github.com>
Co-authored-by: Vera Aguilera Puerto <gradientvera@outlook.com>

Resources/Prototypes/Entities/Structures/Piping/Atmospherics/trinary.yml

@@ -47,6 +47,10 @@
         - type: GasFilterVisualizer
           disabledState: gasFilter
           enabledState: gasFilterOn
+    - type: UserInterface
+      interfaces:
+        - key: enum.GasFilterUiKey.Key
+          type: GasFilterBoundUserInterface
     - type: GasFilter
 
 - type: entity