Backport: SpEL fails if class.name and name is evaluated in the same context [SPR-11010]

**[Phil Webb](https://jira.spring.io/secure/ViewProfile.jspa?name=pwebb)** opened **[SPR-11010](https://jira.spring.io/browse/SPR-11010?redirect=false)** and commented

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This issue is a backport sub-task of #15119
