fix(parquetio): handle missing nullable fields in row conversion - #35948

Failed to save cache entry with path '/home/runner/.gradle/caches,/home/runner/.gradle/notifications,/home/runner/.gradle/.gradle-build-action,zstd-without-long,1.0' and key: v8-gradle|Linux|precommit yaml xlang direct-beam_PreCommit_Yaml_Xlang_Direct[ce4a292d5fb5b86ca09583c684622578]-d4d8fd8b6264832f865659cd60910bd92853562c: Error: <h2>Our services aren't available right now</h2><p>We're working to restore all services as soon as possible. Please check back soon.</p>0BYKraAAAAABJDoWG3P+TQ5hVRnW1pIAtQ0hJMzBFREdFMDEwNgBFZGdl

Failed to save cache entry with path '/home/runner/.gradle/caches/modules-*/files-*/*/*/*/*,zstd-without-long,1.0' and key: dependencies-6f40987d41967981cc090b1cfe4d0f89: Error: <h2>Our services aren't available right now</h2><p>We're working to restore all services as soon as possible. Please check back soon.</p>0+YGraAAAAADaKppZDVIZS7legY5Rng81Q0hJMzBFREdFMDQxMgBFZGdl

Failed to save cache entry with path '/home/runner/.gradle/caches/*/kotlin-dsl/*/*,zstd-without-long,1.0' and key: kotlin-dsl-eee4f9eb1dc937e292515c5b364a63f3: Error: <h2>Our services aren't available right now</h2><p>We're working to restore all services as soon as possible. Please check back soon.</p>08IGraAAAAADi0H+KNCAqQ5wRTGFVDEMPQ0hJMzBFREdFMDQxNgBFZGdl

Failed to save cache entry with path '/home/runner/.gradle/caches/jars-*/*,zstd-without-long,1.0' and key: instrumented-jars-c5c02677a8ee415e1377735ca9cd367b: Error: <h2>Our services aren't available right now</h2><p>We're working to restore all services as soon as possible. Please check back soon.</p>08IGraAAAAAAdWVueku20QqlgRCx5Hb/0Q0hJMzBFREdFMDIwNgBFZGdl

Failed to save cache entry with path '/home/runner/.gradle/wrapper/dists/gradle-8.14.3-bin/cv11ve7ro1n3o1j4so8xd9n66,zstd-without-long,1.0' and key: wrapper-zips-5ae5d3da5e8e0c748d04bcdd9bc97bdb: Error: <h2>Our services aren't available right now</h2><p>We're working to restore all services as soon as possible. Please check back soon.</p>07oGraAAAAACqVu/J/2t+Q40um+vv1Pj7Q0hJMzBFREdFMDIwNgBFZGdl

Failed to save cache entry with path '/home/runner/.gradle/caches/8.14.3/generated-gradle-jars/gradle-api-8.14.3.jar,zstd-without-long,1.0' and key: generated-gradle-jars-4434c59050703a48bf14168622b59891: Error: <h2>Our services aren't available right now</h2><p>We're working to restore all services as soon as possible. Please check back soon.</p>07oGraAAAAADxIFhmdxBORIwM2uzouXMKQ0hJMzBFREdFMDQxNgBFZGdl

Could not find any files for **/pytest*.xml