[code-reflection] Integrated: Refactored VectorSelectPhase and ArrayViewPhase using InvokeOpHelper

[Gary Frost]

More refactoring of various dialect Phases using invoke helper

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Commit messages:
 - Refactored VectorSelectPhase and ArrayViewPhase  using InvokeOpHelper

Changes: https://git.openjdk.org/babylon/pull/806/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=806&range=00
  Stats: 593 lines in 8 files changed: 96 ins; 190 del; 307 mod
  Patch: https://git.openjdk.org/babylon/pull/806.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/806/head:pull/806

PR: https://git.openjdk.org/babylon/pull/806