When text is replaced the bounds of the string have to be complely re-analyzed

Co-authored-by: r3cp3ct <45179536+r3cp3ct@users.noreply.github.com>
Co-authored-by: sigonasr2 <sigonasr2@gmail.com>

src/sig/engine/String.java

@@ -94,6 +94,8 @@ public class String{
      */
     public String replace(int start,int end,java.lang.String str) {
         this.sb.replace(start,end,str);
+        bounds = new Point(0,1);
+        updateBounds(str);
         return this;
     }
     public int length() {