Add deletion duration and indicators (#2216)

## Description:

Adds a timer before self deleting units
Adds a loading bar under deleting units
Adds a timer in radial menu for clarity purposes


![deletecd](https://github.com/user-attachments/assets/613bf742-ef90-42b5-a258-b928daae6aaa)

## 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:

Mr.Box

---------

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

tests/util/TestConfig.ts

@@ -46,6 +46,10 @@ export class TestConfig extends DefaultConfig {
     return 20;
   }
 
+  deletionMarkDuration(): number {
+    return 5;
+  }
+
   defaultSamRange(): number {
     return 20;
   }