fix: add FormData to URLSearchParams constructor

Author: keithamus

baselines/dom.generated.d.ts

@@ -16086,6 +16086,7 @@ interface URLSearchParams {
 declare var URLSearchParams: {
     prototype: URLSearchParams;
     new(init?: string[][] | Record<string, string> | string | URLSearchParams): URLSearchParams;
+    new(init?: string[][] | Record<string, string> | string | URLSearchParams | FormData): URLSearchParams;
     toString(): string;
 };
 

baselines/webworker.generated.d.ts

@@ -3296,6 +3296,7 @@ interface URLSearchParams {
 declare var URLSearchParams: {
     prototype: URLSearchParams;
     new(init?: string[][] | Record<string, string> | string | URLSearchParams): URLSearchParams;
+    new(init?: string[][] | Record<string, string> | string | URLSearchParams | FormData): URLSearchParams;
     toString(): string;
 };
 

inputfiles/overridingTypes.json

@@ -1705,6 +1705,14 @@
                     ]
                 }
             },
+            "URLSearchParams": {
+                "name": "URLSearchParams",
+                "constructor": {
+                    "override-signatures": [
+                        "new(init?: string[][] | Record<string, string> | string | URLSearchParams | FormData): URLSearchParams"
+                    ]
+                }
+            },
             "EventTarget": {
                 "name": "EventTarget",
                 "override-exposed": "Window Worker",