[code-reflection] Integrated: Add back code for highlighting SSA id references

[Gary Frost]

On Wed, 30 Jul 2025 17:41:29 GMT, Gary Frost <gfrost at openjdk.org> wrote:

> Add back the code for highlighting ssaid refences to and from the current line.

This pull request has now been integrated.

Changeset: 57786fb9
Author:    Gary Frost <gfrost at openjdk.org>
URL:       https://git.openjdk.org/babylon/commit/57786fb980c1a73d9bdf45b053113c1c0a8ca615
Stats:     147 lines in 3 files changed: 65 ins; 67 del; 15 mod

Add back code for highlighting SSA id references

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PR: https://git.openjdk.org/babylon/pull/505