adds the ability to "mix" solutions (reactions caused by using an item on a solution holder) (#13015)

* everything for mixing aside from yaml changes

* add recipe and canmix to bottles and the holy mixer tag to the bible

* fixes as a result of testing

* remove unused usings

* remove emptylines that are not required

Co-authored-by: 0x6273 <0x40@keemail.me>

* more empty line removal!

Co-authored-by: 0x6273 <0x40@keemail.me>

* add single space between if statement and condition

Co-authored-by: 0x6273 <0x40@keemail.me>

* fixes indentation on TryGetMixableSolution

* raise new AfterMixingEvent after attempting to mix a solution

* before mixing event and attempt get mixable solution event

* update reaction tests to be a beaker that can be mixed, and then pass a mixer component in to simulate mixing

* make two more beaker types mixable, add attribute for mixing feedback

* bible mix message

* mixing feedback on success

* updates test to use SpawnEntity over new as per feedback

Co-authored-by: 0x6273 <0x40@keemail.me>

Content.Shared/Chemistry/Components/Solution.Managerial.cs

@@ -14,6 +14,13 @@ namespace Content.Shared.Chemistry.Components
         [DataField("canReact")]
         public bool CanReact { get; set; } = true;
 
+        /// <summary>
+        ///     If reactions can occur via mixing.
+        /// </summary>
+        [ViewVariables(VVAccess.ReadWrite)]
+        [DataField("canMix")]
+        public bool CanMix { get; set; } = false;
+
         /// <summary>
         ///     Volume needed to fill this container.
         /// </summary>