Combine solution injection systems; Fix embeddable injectors (#26268)

* Combine injection systems

* Update Content.Server/Chemistry/EntitySystems/SolutionInjectOnEventSystem.cs

---------

Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>

Content.Server/Chemistry/Components/MeleeChemicalInjectorComponent.cs

@@ -1,31 +1,8 @@
-using Content.Shared.FixedPoint;
+namespace Content.Server.Chemistry.Components;
 
-namespace Content.Server.Chemistry.Components
-{
-    [RegisterComponent]
-    public sealed partial class MeleeChemicalInjectorComponent : Component
-    {
-        [ViewVariables(VVAccess.ReadWrite)]
-        [DataField("transferAmount")]
-        public FixedPoint2 TransferAmount { get; set; } = FixedPoint2.New(1);
-
-        [ViewVariables(VVAccess.ReadWrite)]
-        public float TransferEfficiency { get => _transferEfficiency; set => _transferEfficiency = Math.Clamp(value, 0, 1); }
-
-        [DataField("transferEfficiency")]
-        private float _transferEfficiency = 1f;
-
-        /// <summary>
-        /// Whether this will inject through hardsuits or not.
-        /// </summary>
-        [DataField("pierceArmor"), ViewVariables(VVAccess.ReadWrite)]
-        public bool PierceArmor = true;
-
-        /// <summary>
-        ///     Solution to inject from.
-        /// </summary>
-        [ViewVariables(VVAccess.ReadWrite)]
-        [DataField("solution")]
-        public string Solution { get; set; } = "default";
-    }
-}
+/// <summary>
+/// Used for melee weapon entities that should try to inject a
+/// contained solution into a target when used to hit it.
+/// </summary>
+[RegisterComponent]
+public sealed partial class MeleeChemicalInjectorComponent : BaseSolutionInjectOnEventComponent { }