always offer the flat heads option in the wizard (#2600)

internal/wizard.zsh

@@ -1289,54 +1289,51 @@ function ask_heads() {
  fi
  local extra
  add_widget 0 flowing -c "%BPrompt Heads%b"
- if (( cap_diamond )); then
- add_widget 0 print -Pl " head" "%B(1) Sharp.%b |" " v"
- add_widget 3 print -P "%B(1) Sharp.%b"
- add_prompt_n left_head=$right_triangle right_head=$left_triangle
- add_widget 0 print
- add_widget 2
- else
- add_widget 0 print
- add_widget 1
- add_widget 0 print -P "%B(1) Flat.%b"
- add_prompt left_head= right_head=
- fi
+ add_widget 0 print -Pl " head" "%B(1) Flat.%b |" " v"
+ add_widget 3 print -P "%B(1) Flat.%b"
+ add_prompt_n left_head= right_head=
+ add_widget 0 print
+ add_widget 2
  add_widget 0 print -P "%B(2) Blurred.%b"
  add_prompt left_head=$fade_out right_head=$fade_in
- if [[ $POWERLEVEL9K_MODE == nerdfont-* ]]; then
+ if (( cap_diamond )); then
  extra+=3
- add_widget 0 print -P "%B(3) Slanted.%b"
- add_prompt left_head=$down_triangle right_head=$up_triangle
- extra+=4
- add_widget 0 print -P "%B(4) Round.%b"
- add_prompt left_head=$right_circle right_head=$left_circle
+ add_widget 0 print -P "%B(3) Sharp.%b"
+ add_prompt left_head=$right_triangle right_head=$left_triangle
+ if [[ $POWERLEVEL9K_MODE == nerdfont-* ]]; then
+ extra+=4
+ add_widget 0 print -P "%B(4) Slanted.%b"
+ add_prompt left_head=$down_triangle right_head=$up_triangle
+ extra+=5
+ add_widget 0 print -P "%B(5) Round.%b"
+ add_prompt left_head=$right_circle right_head=$left_circle
+ fi
  fi
  add_widget 0 print -P "(r) Restart from the beginning."
  ask 12${extra}r
  case $choice in
  r) return 1;;
  1)
- if (( cap_diamond )); then
- left_head=$right_triangle
- right_head=$left_triangle
- options+='sharp heads'
- else
- left_head=
- right_head=
- options+='flat heads'
- fi
+ left_head=
+ right_head=
+ options+='flat heads'
  ;;
  2)
+ left_head=$right_triangle
+ right_head=$left_triangle
+ options+='sharp heads'
+ ;;
+ 3)
  left_head=$fade_out
  right_head=$fade_in
  options+='blurred heads'
  ;;
- 3)
+ 4)
  left_head=$down_triangle
  right_head=$up_triangle
  options+='slanted heads'
  ;;
- 4)
+ 5)
  left_head=$right_circle
  right_head=$left_circle
  options+='round heads'