Fix limit-ledger-size syntax (#16856) (#16857)

(cherry picked from commit 3af8cb0150)

Co-authored-by: Tyera Eulberg <teulberg@gmail.com>

net/net.sh

@@ -835,7 +835,7 @@ while [[ -n $1 ]]; do
       doBuild=false
       shift 1
     elif [[ $1 = --limit-ledger-size ]]; then
-      maybeLimitLedgerSize="$1" "$2"
+      maybeLimitLedgerSize="$1 $2"
       shift 2
     elif [[ $1 = --skip-poh-verify ]]; then
       maybeSkipLedgerVerify="$1"