bring back unused getCodeIndex() function for GUI Builder Tool

app/src/processing/app/Sketch.java

@@ -1769,7 +1769,8 @@ public class Sketch {
   }
 
 
-  /*
+  // Cannot remove because this is used by GUI Builder for Processing
+  // https://github.com/processing/processing4/issues/545
   public int getCodeIndex(SketchCode who) {
     for (int i = 0; i < codeCount; i++) {
       if (who == code[i]) {
@@ -1778,7 +1779,6 @@ public class Sketch {
     }
     return -1;
   }
-  */
 
 
   public SketchCode getCurrentCode() {

todo.txt

@@ -2,6 +2,19 @@
 X using Java 17 in more syntax
 X fix potential casting problem with Platform and DefaultPlatform
 X   should be unreachable, but fixed anyway
+X bring back getCodeIndex() for GUI Builder Tool
+X   https://github.com/processing/processing4/issues/545
+
+contribs
+X Catalan translation for Processing 4.0.1
+X   https://github.com/processing/processing4/issues/550
+X   https://github.com/processing/processing4/pull/554
+
+docs
+X added a "Translations" page to the wiki
+X   https://github.com/processing/processing4/wiki/Translations
+X   https://github.com/processing/processing/wiki/Localization
+
 
 _ set more build.xml files to use Java 17
 _ remove target.path from build/build.xml