fix healthbars not being removed (#1329)

## Description:

Warships being nuked doesnt remove the healthbar


![image](https://github.com/user-attachments/assets/67d40a5b-255b-45ea-9b5d-4f5441ff271a)


## 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
- [x] I understand that submitting code with bugs that could have been
caught through manual testing blocks releases and new features for all
contributors

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

Vivacious Box

---------

Co-authored-by: evanpelle <evanpelle@gmail.com>

src/client/graphics/layers/UILayer.ts

@@ -340,7 +340,11 @@ export class UILayer implements Layer {
       // full hp/dead warships dont need a hp bar
       this.allHealthBars.get(unit.id())?.clear();
       this.allHealthBars.delete(unit.id());
-    } else if (unit.health() < maxHealth && unit.health() > 0) {
+    } else if (
+      unit.isActive() &&
+      unit.health() < maxHealth &&
+      unit.health() > 0
+    ) {
       this.allHealthBars.get(unit.id())?.clear();
       const healthBar = new ProgressBar(
         COLOR_PROGRESSION,