Fix destroyed cooldown structures reappearing in game (#3997)

## Description:
Stop deleted missile silos from reappearing after cooldown expiry

before

https://github.com/user-attachments/assets/714d3580-b60d-479e-8e45-6ee065b79d54

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced

## Please put your Discord username so you can be contacted if a bug or
regression is found:
aotumuri

src/client/render/gl/passes/BarPass.ts

@@ -138,6 +138,7 @@ export class BarPass {
 
     // --- Progress bars (structures) ---
     for (const unit of structures.values()) {
+      if (!unit.isActive) continue;
       const progress = this.computeStructureProgress(unit, gameTick);
       if (progress !== null) this.pushProgress(unit, progress);
     }

src/client/render/gl/passes/StructureLevelPass.ts

@@ -230,6 +230,7 @@ export class StructureLevelPass {
     let count = 0;
 
     for (const unit of units.values()) {
+      if (!unit.isActive) continue;
       if (!STRUCTURE_TYPES.has(unit.unitType)) continue;
       if (unit.level <= 1) continue;
 

src/client/render/gl/passes/StructurePass.ts

@@ -264,6 +264,7 @@ export class StructurePass {
     let count = 0;
 
     for (const unit of units.values()) {
+      if (!unit.isActive) continue;
       const atlasIdx = this.typeToAtlasCol.get(unit.unitType);
       if (atlasIdx === undefined) continue;
 

src/core/execution/MissileSiloExecution.ts

@@ -18,6 +18,11 @@ export class MissileSiloExecution implements Execution {
       return;
     }
 
+    if (!this.silo.isActive()) {
+      this.active = false;
+      return;
+    }
+
     // frontTime is the time the earliest missile fired.
     const frontTime = this.silo.missileTimerQueue()[0];
     if (frontTime === undefined) {