raylib: fix word wrap (#36545)

* fix word wrap underestimating width

* and that

system/ui/lib/wrap_text.py

@@ -67,8 +67,6 @@ def wrap_text(font: rl.Font, text: str, font_size: int, max_width: int) -> list[
 
     lines: list[str] = []
     current_line: list[str] = []
-    current_width = 0
-    space_width = int(measure_text_cached(font, " ", font_size).x)
 
     for word in words:
       word_width = int(measure_text_cached(font, word, font_size).x)
@@ -79,28 +77,23 @@ def wrap_text(font: rl.Font, text: str, font_size: int, max_width: int) -> list[
         if current_line:
           lines.append(" ".join(current_line))
           current_line = []
-          current_width = 0
 
         # Break the long word into parts
         lines.extend(_break_long_word(font, word, font_size, max_width))
         continue
 
-      # Calculate width if we add this word
+      # Measure the actual joined string to get accurate width (accounts for kerning, etc.)
-      needed_width = current_width
+      test_line = " ".join(current_line + [word]) if current_line else word
-      if current_line:  # Need space before word
+      test_width = int(measure_text_cached(font, test_line, font_size).x)
-        needed_width += space_width
-      needed_width += word_width
 
       # Check if word fits on current line
-      if needed_width <= max_width:
+      if test_width <= max_width:
         current_line.append(word)
-        current_width = needed_width
       else:
         # Start new line with this word
         if current_line:
           lines.append(" ".join(current_line))
         current_line = [word]
-        current_width = word_width
 
     # Add remaining words
     if current_line: