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/viem/actions/test/setNextBlockBaseFeePerGas.ts

@@ -0,0 +1,52 @@
+import type {
+  TestClient,
+  TestClientMode,
+} from '../../clients/createTestClient.js'
+import type { Transport } from '../../clients/transports/createTransport.js'
+import type { ErrorType } from '../../errors/utils.js'
+import type { Account } from '../../types/account.js'
+import type { Chain } from '../../types/chain.js'
+import type { RequestErrorType } from '../../utils/buildRequest.js'
+import { numberToHex } from '../../utils/encoding/toHex.js'
+
+export type SetNextBlockBaseFeePerGasParameters = {
+  /** Base fee per gas (in wei). */
+  baseFeePerGas: bigint
+}
+
+export type SetNextBlockBaseFeePerGasErrorType = RequestErrorType | ErrorType
+
+/**
+ * Sets the next block's base fee per gas.
+ *
+ * - Docs: https://viem.sh/docs/actions/test/setNextBlockBaseFeePerGas
+ *
+ * @param client - Client to use
+ * @param parameters – {@link SetNextBlockBaseFeePerGasParameters}
+ *
+ * @example
+ * import { createTestClient, http, parseGwei } from 'viem'
+ * import { foundry } from 'viem/chains'
+ * import { setNextBlockBaseFeePerGas } from 'viem/test'
+ *
+ * const client = createTestClient({
+ *   mode: 'anvil',
+ *   chain: 'foundry',
+ *   transport: http(),
+ * })
+ * await setNextBlockBaseFeePerGas(client, {
+ *   baseFeePerGas: parseGwei('20'),
+ * })
+ */
+export async function setNextBlockBaseFeePerGas<
+  chain extends Chain | undefined,
+  account extends Account | undefined,
+>(
+  client: TestClient<TestClientMode, Transport, chain, account, false>,
+  { baseFeePerGas }: SetNextBlockBaseFeePerGasParameters,
+) {
+  await client.request({
+    method: `${client.mode}_setNextBlockBaseFeePerGas`,
+    params: [numberToHex(baseFeePerGas)],
+  })
+}