fix: misbehavior in FunctionCall when calling arg multiple times #1902

Job	Run time
Clippy	1m 37s
Rustfmt	19s
Build `sea-query`	1m 24s
Build `sea-query-binder` (async-std, rustls)	3m 11s
Build `sea-query-postgres`	1m 44s
Build `sea-query-rusqlite`	1m 5s
Derive Tests	1m 22s
Unit Test	3m 28s
SQLite (rusqlite)	38s
SQLite (sqlx_sqlite)	1m 21s
MariaDB (10.6, sqlx_mysql)	2m 8s
MySQL (8, sqlx_mysql)	1m 56s
MySQL (5.7, sqlx_mysql)	2m 22s
Any	2m 19s
PostgreSQL (14.4, postgres)	1m 16s
PostgreSQL (14.4, sqlx_postgres)	1m 51s
PostgreSQL (13.7, postgres)	1m 35s
PostgreSQL (13.7, sqlx_postgres)	1m 53s
PostgreSQL (12.11, postgres)	1m 25s
PostgreSQL (12.11, sqlx_postgres)	1m 58s
	34m 52s

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