Optimize collection creation in Navigation.kt (#180)

* ⚡ Optimize collection creation in Navigation.kt

Replaced uses of `.map { ... }.toSet()` with `.mapTo(mutableSetOf()) { ... }` in Navigation.kt. This avoids the creation of intermediate ArrayList objects, saving unnecessary memory allocations.

* ⚡ Optimize collection creation in Navigation.kt

Replaced uses of `.map { ... }.toSet()` with `.mapTo(mutableSetOf()) { ... }` in Navigation.kt. This avoids the creation of intermediate ArrayList objects, saving unnecessary memory allocations. Fixed ktlint formatting issues causing CI failure.

app/src/main/java/com/m57/hermescontrol/ui/chat/ChatBubble.kt

@@ -812,12 +812,11 @@ private fun RichText(
 }
 
 private val TIMESTAMP_FORMATTER =
-    DateTimeFormatter.ofPattern("HH:mm")
+    DateTimeFormatter
+        .ofPattern("HH:mm")
         .withZone(ZoneId.systemDefault())
 
-private fun formatTimestamp(timestamp: Long): String {
-    return TIMESTAMP_FORMATTER.format(Instant.ofEpochMilli(timestamp))
-}
+private fun formatTimestamp(timestamp: Long): String = TIMESTAMP_FORMATTER.format(Instant.ofEpochMilli(timestamp))
 
 /**
  * Build an AnnotatedString with search matches highlighted.