Restore document.caretRangeFromPoint() (#1073)

Fixes #1072

Author: saschanaz

baselines/dom.generated.d.ts

@@ -4439,6 +4439,8 @@ interface Document extends Node, DocumentAndElementEventHandlers, DocumentOrShad
     /** @deprecated */
     captureEvents(): void;
     /** @deprecated */
+    caretRangeFromPoint(x: number, y: number): Range | null;
+    /** @deprecated */
     clear(): void;
     /**
      * Closes an output stream and forces the sent data to display.

inputfiles/addedTypes.jsonc

@@ -619,6 +619,13 @@
                                 "createElementNS(namespaceURI: \"http://www.w3.org/2000/svg\", qualifiedName: string): SVGElement",
                                 "createElementNS(namespaceURI: string | null, qualifiedName: string, options?: ElementCreationOptions): Element"
                             ]
+                        },
+                        "caretRangeFromPoint": {
+                            "name": "caretRangeFromPoint",
+                            "deprecated": true,
+                            "overrideSignatures": [
+                                "caretRangeFromPoint(x: number, y: number): Range | null"
+                            ]
                         }
                     }
                 },