Replace wget with curl -fsSL, normalize downloads, and prep for IPv6 (#3455)

* Initial Call, Switch from curl -s to curl -fsSL and wget to curl -fssL

* more switches

* switch vms

* more curls

* More curls

* more

* more

* more changes

* more

* prepare ipv6 calls

* change frontend to ipv6

* Formatting

* Fromatting

* Update gomft.sh

* Update gomft-install.sh

* Update ersatztv.sh

* Update build.func

---------

Co-authored-by: Slaviša Arežina <58952836+tremor021@users.noreply.github.com>

vm/nextcloud-vm.sh

@@ -5,7 +5,7 @@
 # License: MIT
 # https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
 
-source /dev/stdin <<< $(wget -qLO - https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/api.func)
+source /dev/stdin <<<$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/api.func)
 
 function header_info {
   clear
@@ -46,7 +46,7 @@ THIN="discard=on,ssd=1"
 set -e
 trap 'error_handler $LINENO "$BASH_COMMAND"' ERR
 trap cleanup EXIT
-trap 'post_update_to_api "failed" "INTERRUPTED"' SIGINT 
+trap 'post_update_to_api "failed" "INTERRUPTED"' SIGINT
 trap 'post_update_to_api "failed" "TERMINATED"' SIGTERM
 function error_handler() {
   local exit_code="$?"
@@ -110,7 +110,7 @@ function pve_check() {
     echo -e "Exiting..."
     sleep 2
     exit
-fi
+  fi
 }
 
 function arch_check() {
@@ -389,7 +389,7 @@ msg_info "Retrieving the URL for the $NAME Disk Image"
 URL=http://mirror.turnkeylinux.org/turnkeylinux/images/iso/turnkey-nextcloud-18.1-bookworm-amd64.iso
 sleep 2
 msg_ok "${CL}${BL}${URL}${CL}"
-wget -q --show-progress $URL
+curl -fsSL -o "$(basename "$URL")" "$URL"
 echo -en "\e[1A\e[0K"
 FILE=$(basename $URL)
 msg_ok "Downloaded ${CL}${BL}${FILE}${CL}"