RFR: 8351626: Update remaining icons to SVG format

Wed Mar 12 15:19:52 UTC 2025

On Wed, 12 Mar 2025 13:22:07 GMT, Hannes Wallnöfer <hannesw at openjdk.org> wrote:

> Please review a change to update the remaining `.png` files used by JavaDoc with `.svg` files. In addition to the looking glass and "x" icons used in the search box this also adds left and right pointing angles used in breadcrumb navigation and sidebar hide/show buttons that previously used glyphs.

Marked as reviewed by jjg (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/24007#pullrequestreview-2678910178