Refactor KeyboardComponent dimensions and remove redundant code

Updated key size calculations to be dynamic based on keyboard dimensions for improved scalability. Removed unnecessary `println` calls and redundant MIDI note calculations in drawing logic for better performance and code clarity.

src/jsMain/kotlin/nl/astraeus/vst/ui/components/KeyboardComponent.kt

@@ -43,10 +43,9 @@ class KeyboardComponent(
   // Key dimensions
   private val keyboardWidth = 210
   private val keyboardHeight = 100
-  private val whiteKeyWidth = 30
+  private val whiteKeyWidth = keyboardWidth / 7
-  private val whiteKeyHeight = 100
+  private val blackKeyWidth = whiteKeyWidth * 3 / 2
-  private val blackKeyWidth = 20
+  private val blackKeyHeight = keyboardHeight * 60 / 100
-  private val blackKeyHeight = 60
 
   // Calculate positions for black keys
   private val blackKeyPositions = listOf(
@@ -58,13 +57,11 @@ class KeyboardComponent(
   )
 
   fun noteDown(midiNote: Int) {
-    println("noteDown $midiNote")
     pressedNotes.add(midiNote)
     onNoteDown(midiNote)
   }
 
   fun noteUp(midiNote: Int) {
-    println("noteUp $midiNote")
     pressedNotes.remove(midiNote)
     onNoteUp(midiNote)
   }
@@ -182,12 +179,11 @@ class KeyboardComponent(
 
           // Draw white keys
           for (i in 0 until 7) {
-            val midiNote = whiteKeys[i] + (octave - 4) * 12
             rect(
               i * whiteKeyWidth,
               0,
               whiteKeyWidth,
-              whiteKeyHeight,
+              keyboardHeight,
               0,
               WhiteKeyCls.name
             )
@@ -195,7 +191,6 @@ class KeyboardComponent(
 
           // Draw black keys
           for (i in 0 until 5) {
-            val midiNote = blackKeys[i] + (octave - 4) * 12
             rect(
               blackKeyPositions[i],
               0,