SolutionContainer refactors (#2954)

* removes unused method

* Code uncluttering (Also removed the netcode, color code, and visuals, need to rewrite)

* SolutionContainerVisualState

* Removes caching of SolutionContainer Color

* ChemicalsAdded() and ChemicalsRemoved() for updating appearance and handling reaction checks

* SolutionContainerComponentState

* Netcode

* ChemMasterComponent no longer creates a SolutionContainerComponent with new(), uses a Solution instead

* Enable nullable in SolutionContainer implementations

* Some review fixes

* uses IReadOnlyLists in ChemMaster

* Comments

* review fixes 3

* ReagentUnit documentation

* Review fixes

* spelling fix

* spelling 2

* typo

Co-authored-by: py01 <pyronetics01@gmail.com>

Content.Server/GameObjects/Components/Body/Behavior/StomachBehavior.cs

@@ -1,4 +1,4 @@
-#nullable enable
+#nullable enable
 using System.Collections.Generic;
 using System.Linq;
 using Content.Server.GameObjects.Components.Chemistry;
@@ -147,7 +147,7 @@ namespace Content.Server.GameObjects.Components.Body.Behavior
             }
 
             // Add solution to _stomachContents
-            solutionComponent.TryAddSolution(solution, false, true);
+            solutionComponent.TryAddSolution(solution);
             // Add each reagent to _reagentDeltas. Used to track how long each reagent has been in the stomach
             foreach (var reagent in solution.Contents)
             {