[PropertyAccess] Made naming consistent with Form and Validator
merged branch bschussek/fix-property-access-naming (PR #7854)

This PR was merged into the master branch.

Discussion
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[PropertyAccess] Made naming consistent with Form and Validator

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | yes
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

Commits
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8817e70 [PropertyAccess] Made naming consistent with Form and Validator