trapd00r: change more slowly between yellows

Also refactor the logic

themes/trapd00r.zsh-theme

@@ -59,16 +59,15 @@ zsh_path() {
         else
           print -Pn "\e[31;1m /"
         fi
-        (( i++ ))
-        continue
-      fi
-
+      else
         if [[ $colors -ge 256 ]]; then
           print -Pn "${yellow[$i]:-%f} » "
         else
           print -Pn "%F{yellow} > "
         fi
-      (( i += 6 ))
+      fi
+
+      (( i++ ))
     else
       if [[ $colors -ge 256 ]]; then
         print -Pn "%F{065}$c"