Fix script_phases.sh error() helper: missing echo + arg truncation (#56955)

The error() helper had two bugs since its extraction from the Ruby
script in commit 1dbbeb4:

1. The line that mirrors the formatted message to SCRIPT_OUTPUT_FILE_0
   was missing the leading echo, so [Codegen] $1 was instead being
   executed as a command. Under set -e this aborts the script with
   status 127 before reaching exit 1, and SCRIPT_OUTPUT_FILE_0 receives
   a shell command not found error instead of the intended log line.

2. The function only printed $1, so multi-arg callers like find_node
   (which passes its message across three space-and-backslash
   continuation strings) were silently truncated to the first chunk.

Switch both lines to use $* so all positional arguments are joined
into a single space-separated message, and add the missing echo so
the second line actually appends to the log file.

Fixes #56955.

Author: LeSingh1

packages/react-native/scripts/react_native_pods_utils/script_phases.sh

@@ -16,8 +16,13 @@ cd "$RCT_SCRIPT_RN_DIR"
 CODEGEN_CLI_PATH=""
 
 error () {
-    echo "$1"
-    "[Codegen] $1" >> "${SCRIPT_OUTPUT_FILE_0}" 2>&1
+    # Print the full message (all positional args, space-separated) so multi-arg
+    # callers like find_node don't get truncated to just $1. Mirror the same
+    # message into SCRIPT_OUTPUT_FILE_0; the previous version was missing the
+    # leading `echo`, so the formatted string was instead being executed as a
+    # command and the shell error landed in the log file.
+    echo "$*"
+    echo "[Codegen] $*" >> "${SCRIPT_OUTPUT_FILE_0}" 2>&1
     exit 1
 }