[CALCITE-6742] StandardConvertletTable.convertCall loses casts from R… #14391

Job	Run time
Windows (JDK 21)	15m 49s
Windows (JDK 17)	15m 7s
Windows (JDK 8)	15m 4s
Linux (JDK 11, Pacific/Chatham Timezone)	10m 27s
Linux (JDK 17)	10m 10s
Linux (JDK 8, latest Guava, America/New_York Timezone)	12m 3s
Linux (JDK 8, oldest Guava, America/New_York Timezone)	11m 8s
Linux (JDK 11, Avatica main)	14m 37s
Linux (JDK 21)	12m 8s
Linux (JDK 23)	10m 12s
macOS (JDK 21)	35m 24s
ErrorProne (JDK 11, latest Guava)	4m 4s
CheckerFramework (JDK 11)	11m 2s
CheckerFramework (JDK 11, oldest Guava)	10m 52s
Druid Tests	7m 1s
Linux (JDK 8) Slow Tests	4m 37s
	3h 19m 45s

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