Fixes undo/redo behavior when using a composing keyboard, especially on desktop.

* 7d18d7007 [Impeller] Support external textures on iOS (flutter/engine#36498)

* d07919654 [Impeller] Implement RuntimeEffectContents (flutter/engine#36866)

* 119e839ef Revert "[Impeller] Implement RuntimeEffectContents (#36866)" (flutter/engine#36883)

* bcd83df4e [Impeller] Reland RuntimeEffectContents (flutter/engine#36884)

* 9f09f4ce8 Roll Dart SDK from f21024945abf to 99f266a404bd (1 revision) (flutter/engine#36860)

* 3f58c9743 [Impeller] Polyline generation optimization. (flutter/engine#36759)

* d6ccb2d67 Roll Skia from af544866f04d to 161637433767 (1 revision) (flutter/engine#36861)

* f32d29056 Add DOM TouchEvent modifiers accessors (flutter/engine#36836)

* dd9159958 Roll Fuchsia Linux SDK from oMrS1TjaSIjntnBvR... to IvN-WLezL2sS_wSzZ... (flutter/engine#36862)

* cfe164f66 [fuchsia][scenic] Fix invalid viewRef error in pointer injection. (flutter/engine#36850)

* bd15adf16 Roll Skia from 161637433767 to 50363183d1c7 (3 revisions) (flutter/engine#36864)

* e351b05c7 Roll Fuchsia Mac SDK from XZV0Cqcpiv74L7ric... to M5-c50jCcV0ypwYcT... (flutter/engine#36865)

* a89ed7a72 Roll Skia from 50363183d1c7 to 572d4e85f83e (1 revision) (flutter/engine#36867)

* cca0812cf Roll Skia from 572d4e85f83e to 8928b024556f (1 revision) (flutter/engine#36868)

* 488b76725 Roll Skia from 8928b024556f to 025ae7eec03e (6 revisions) (flutter/engine#36869)

* 7997edc4f [web] Some cleanup for text tests (flutter/engine#36425)

* a831dd269 Roll Skia from 025ae7eec03e to a9255bc938bf (1 revision) (flutter/engine#36870)

* 80847c95f [fuchsia][input] Delete legacy pointer handler (flutter/engine#36857)

* e4c27fc90 Roll Skia from a9255bc938bf to 4fa600316d1d (6 revisions) (flutter/engine#36872)

* 9e635b177 Roll Fuchsia Linux SDK from IvN-WLezL2sS_wSzZ... to zw_jyeiHfJtAXF_qp... (flutter/engine#36875)

* a5c5c25ba Roll Skia from 4fa600316d1d to 723ccd171e37 (3 revisions) (flutter/engine#36876)

* 2f235c4ba Roll Fuchsia Mac SDK from M5-c50jCcV0ypwYcT... to 7lmBrmhOLwrqoqXk0... (flutter/engine#36877)

* 0f0739651 [fuchsia] Bump the Fuchsia target API level to 10 (flutter/engine#36858)

* 490b06d13 Roll Skia from 723ccd171e37 to fc7d5c9ee970 (1 revision) (flutter/engine#36878)

11d7135c3 Roll Dart SDK from 77e83fcc14fa to f21024945abf (1 revision) (flutter/engine#36854) (#113727)

This reverts commit 2fdfa29e.

Fixes an error in some text editors.

* 5357f814c Roll Skia from 584ec9885ca1 to 8c73a59cd417 (1 revision) (flutter/engine#36810)

* 5c10a4421 [Impeller] Add docs to detail RenderDoc frame captures (flutter/engine#36815)

* 8744c93c4 [Impeller] Make validation errors fatal in non-release builds. (flutter/engine#36812)

* afcf153d2 Roll Fuchsia Linux SDK from GvWjlKsW1ybhJZzUp... to CW9-6BIlFFDbRCs-c... (flutter/engine#36816)

* 93b86eb62 Roll Clang from 039b969b32b6 to a93d03310e2c (flutter/engine#36821)

This reverts commit 0ad71e87.