Roll Flutter Engine from 56a0e2715dca to 785b24900a36 (10 revisions) (#132522)

https://github.com/flutter/engine/compare/56a0e2715dca...785b24900a36

2023-08-14 amirpanahandeh@yahoo.com Update CompositionAwareMixin to correctly compute composingBase in Web engine (flutter/engine#44139)
2023-08-14 stuartmorgan@google.com Add application:openURLs: forwarding on macOS (flutter/engine#44689)
2023-08-14 skia-flutter-autoroll@skia.org Roll Skia from a4377099b25a to 69ea58157190 (1 revision) (flutter/engine#44692)
2023-08-14 chillers@google.com Update embedder_semantics_update.h imports to include flutter namespace (flutter/engine#44670)
2023-08-14 skia-flutter-autoroll@skia.org Roll Dart SDK from 3295a353980a to d445f5a18876 (1 revision) (flutter/engine#44691)
2023-08-14 dnfield@google.com Revert "Make run_tests.py assert that the ios test dylib is at least as new as libFlutter.dylib" (flutter/engine#44690)
2023-08-14 skia-flutter-autoroll@skia.org Roll Skia from 1cf6f71c8120 to a4377099b25a (1 revision) (flutter/engine#44688)
2023-08-14 skia-flutter-autoroll@skia.org Roll Fuchsia Mac SDK from JKTVoxVrHjZjBaxG4... to uIGMbDkXoIcpqWjgR... (flutter/engine#44687)
2023-08-14 jonahwilliams@google.com [Impeller] Conditionally set command debug info. (flutter/engine#44274)
2023-08-14 kjlubick@users.noreply.github.com Migrate more GL calls of GrBackend* (flutter/engine#44682)

Also rolling transitive DEPS:
  fuchsia/sdk/core/mac-amd64 from JKTVoxVrHjZj to uIGMbDkXoIcp

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-engine-flutter-autoroll
Please CC chinmaygarde@google.com,rmistry@google.com,zra@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

bin/internal/engine.version

-56a0e2715dca989aba14e498342192fed2638d4d
+785b24900a360ed872d1f779a65d6c062ce69448

bin/internal/fuchsia-mac.version

-JKTVoxVrHjZjBaxG4cdtYRkXlgD-QKknAFLrCcS91nQC
+uIGMbDkXoIcpqWjgR5qZBJ4xzPDq2aHVlM8NWImJbXoC