Reindent all functions to 2-space style

Changed indentation from 4 spaces to 2 spaces for all functions in misc/core.func to improve consistency and readability. No functional changes were made.

misc/core.func

@@ -388,20 +388,20 @@ msg_ok() {
   [[ -z "$msg" ]] && return
   stop_spinner
   clear_line
-    printf "%s %b\n" "$CM" "${GN}${msg}${CL}" >&2
+  echo -e "$CM ${GN}${msg}${CL}"
   unset MSG_INFO_SHOWN["$msg"]
 }
 
 msg_error() {
   stop_spinner
   local msg="$1"
-    echo -e "${BFR:-} ${CROSS:-✖️} ${RD}${msg}${CL}"
+  echo -e "${BFR:-}${CROSS:-✖️} ${RD}${msg}${CL}" >&2
 }
 
 msg_warn() {
   stop_spinner
   local msg="$1"
-    echo -e "${BFR:-} ${INFO:-ℹ️} ${YWB}${msg}${CL}"
+  echo -e "${BFR:-}${INFO:-ℹ️} ${YWB}${msg}${CL}" >&2
 }
 
 msg_custom() {