Update hst-install-ubuntu.sh (hestiacp#4528)

* Update hst-install-ubuntu.sh

Error in ubuntu 24.04

* Format changes

---------

Co-authored-by: Jaap Marcus <9754650+jaapmarcus@users.noreply.github.com>

Author: Skamasle

install/hst-install-ubuntu.sh

@@ -1082,8 +1082,13 @@ fi
 #----------------------------------------------------------#
 
 # Enable en_US.UTF-8
-sed -i "s/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/g" /etc/locale.gen
-locale-gen > /dev/null 2>&1
+if [ -f /etc/locale.gen ]; then
+	sed -i "s/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/g" /etc/locale.gen
+	locale-gen > /dev/null 2>&1
+elif [ -f /usr/bin/localectl ]; then
+	apt-get -y install locales-all >> $LOG
+	localectl set-locale LANG=en_US.UTF-8 > /dev/null 2>&1
+fi
 
 # Disabling daemon autostart on apt-get install
 echo -e '#!/bin/sh\nexit 101' > /usr/sbin/policy-rc.d