rpc: Use context.TODO instead of .Background

rpc/dcrd.go

@@ -59,7 +59,7 @@ func (d *DcrdConnect) Close() {
 // Client creates a new DcrdRPC client instance. Returns an error if dialing
 // dcrd fails or if dcrd is misconfigured.
 func (d *DcrdConnect) Client() (*DcrdRPC, string, error) {
-	ctx := context.Background()
+	ctx := context.TODO()
 	c, newConnection, err := d.client.dial(ctx)
 	if err != nil {
 		return nil, d.client.addr, fmt.Errorf("dcrd connection error: %w", err)

rpc/dcrwallet.go

@@ -53,7 +53,7 @@ func (w *WalletConnect) Close() {
 // increments a count of failed connections if a connection cannot be
 // established, or if the wallet is misconfigured.
 func (w *WalletConnect) Clients() ([]*WalletRPC, []string) {
-	ctx := context.Background()
+	ctx := context.TODO()
 	walletClients := make([]*WalletRPC, 0)
 	failedConnections := make([]string, 0)