Use new ComponentPauseGenerator (#25183)

Also includes some (non critical) changes to the solution file to re-organize the Roslyn components.

Content.Server/Chemistry/Components/SolutionPurgeComponent.cs

@@ -9,7 +9,7 @@ namespace Content.Server.Chemistry.Components;
 /// <summary>
 /// Passively decreases a solution's quantity of reagent(s).
 /// </summary>
-[RegisterComponent]
+[RegisterComponent, AutoGenerateComponentPause]
 [Access(typeof(SolutionPurgeSystem))]
 public sealed partial class SolutionPurgeComponent : Component
 {
@@ -42,5 +42,6 @@ public sealed partial class SolutionPurgeComponent : Component
     /// The time when the next purge will occur.
     /// </summary>
     [DataField("nextPurgeTime", customTypeSerializer: typeof(TimeOffsetSerializer)), ViewVariables(VVAccess.ReadWrite)]
+    [AutoPausedField]
     public TimeSpan NextPurgeTime = TimeSpan.FromSeconds(0);
 }