Change plant clipping mechanics (#25326)

Make seeds from clipped plants inherit the decreased health from parents.
Also require one growth stage before clipping.

Content.Server/Botany/Components/SeedComponent.cs

@@ -15,6 +15,12 @@ namespace Content.Server.Botany.Components
         [DataField("seed")]
         public SeedData? Seed;
 
+        /// <summary>
+        ///     If not null, overrides the plant's initial health. Otherwise, the plant's initial health is set to the Endurance value.
+        /// </summary>
+        [DataField]
+        public float? HealthOverride = null;
+
         /// <summary>
         ///     Name of a base seed prototype that is used if <see cref="Seed"/> is null.
         /// </summary>