Fix switch --ids-friendly

This switch had no effect. There was probably a regression
problem as it worked before.

Besides fixing that the large case statement in parse_cmd_line()
was simplified, in a sense that banner and help functions were
moved to a separate case statement.

testssl.sh

@@ -19364,14 +19364,8 @@ parse_cmd_line() {
      CMDLINE="$(create_cmd_line_string "${CMDLINE_ARRAY[@]}")"
      CMDLINE_PARSED=false
 
-     # Show usage if no options were specified
-     [[ -z "$1" ]] && help 0
-     # Set defaults if only an URI was specified, maybe ToDo: use "="-option, then: ${i#*=} i.e. substring removal
-     [[ "$#" -eq 1 ]] && set_scanning_defaults
-
-     while [[ $# -gt 0 ]]; do
      case $1 in
-               --help)
+          --help|"")
                help 0
                ;;
           -b|--banner|-v|--version)
@@ -19382,6 +19376,13 @@ parse_cmd_line() {
                mybanner
                exit $ALLOK
                ;;
+     esac
+
+     # initializing
+     set_scanning_defaults
+
+     while [[ $# -gt 0 ]]; do
+          case $1 in
                --mx)
                     do_mx_all_ips=true
                     PORT=25
@@ -19883,8 +19884,8 @@ parse_cmd_line() {
      done
 
      [[ "$DEBUG" -ge 5 ]] && debug_globals
-     # if we have no "do_*" set here --> query_globals: we do a standard run -- otherwise just the one specified
+     set_scanning_defaults
-     query_globals && set_scanning_defaults
+     query_globals
      CMDLINE_PARSED=true
 }