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f1f8ee47ff
Before the introduction of the `renderRichText` helper function we exclusively used `this.#html` for XFA rich text and exclusively used `this.#contentsObj` for plain text. However, after the refactoring we tried to access `this.#contentsObj.dir` in both cases, which fails for XFA rich text because `this.#contentsObj` is `null` in that case. This commit fixes the issue by using optional chaining to make sure we don't try to access non-existent `this.#contentsObj` properties, which makes the `must update an existing annotation and show the right popup` freetext integration pass again. Fixes #20237. Fixes 35c90984.