FRE-600: Fix code review blockers

- Consolidated duplicate UndoManagers to single instance
- Fixed connection promise to only resolve on 'connected' status
- Fixed WebSocketProvider import (WebsocketProvider)
- Added proper doc.destroy() cleanup
- Renamed isPresenceInitialized property to avoid conflict

Co-Authored-By: Paperclip <noreply@paperclip.ing>

node_modules/@solana/wallet-standard-util/src/util.ts

@@ -0,0 +1,54 @@
+/**
+ * @internal
+ *
+ * Type with a numeric `length` and numerically indexed elements of a generic type `T`.
+ *
+ * For example, `Array<T>` and `Uint8Array`.
+ *
+ * @group Internal
+ */
+export interface Indexed<T> {
+    length: number;
+    [index: number]: T;
+}
+
+/**
+ * @internal
+ *
+ * Efficiently compare {@link Indexed} arrays (e.g. `Array` and `Uint8Array`).
+ *
+ * @param a An array.
+ * @param b Another array.
+ *
+ * @return `true` if the arrays have the same length and elements, `false` otherwise.
+ *
+ * @group Internal
+ */
+export function arraysEqual<T>(a: Indexed<T>, b: Indexed<T>): boolean {
+    if (a === b) return true;
+
+    const length = a.length;
+    if (length !== b.length) return false;
+
+    for (let i = 0; i < length; i++) {
+        if (a[i] !== b[i]) return false;
+    }
+
+    return true;
+}
+
+/**
+ * @internal
+ *
+ * Efficiently compare byte arrays, using {@link arraysEqual}.
+ *
+ * @param a A byte array.
+ * @param b Another byte array.
+ *
+ * @return `true` if the byte arrays have the same length and bytes, `false` otherwise.
+ *
+ * @group Internal
+ */
+export function bytesEqual(a: Uint8Array, b: Uint8Array): boolean {
+    return arraysEqual(a, b);
+}