4e32615b22
Prior to this commit, SpringFactoriesLoader discovered all registered factory implementations for a given factory type even if duplicates were registered within a single META-INF/spring.factories file or in multiple such files in the classpath. This commit updates the internals of SpringFactoriesLoader so that duplicate registrations are ignored, thereby aligning with the well-known semantics for java.util.ServiceLoader in this regard. Closes gh-24985
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