fix type errors

app/messages/hooks/use-conversation.ts

@@ -8,7 +8,7 @@ export default function useConversation(recipient: string) {
 		{},
 		{
 			select(conversations) {
-				if (!conversations[recipient]) {
+				if (!conversations?.[recipient]) {
 					return null;
 				}
 

app/messages/hooks/use-known-recipients.ts

@@ -7,6 +7,10 @@ export default function useKnownRecipients() {
 		{},
 		{
 			select(conversations) {
+				if (!conversations) {
+					return [];
+				}
+
 				return Object.keys(conversations);
 			},
 		},

app/phone-calls/pages/keypad.tsx

@@ -83,7 +83,7 @@ const KeypadPage: BlitzPage = () => {
 				<button
 					onClick={async () => {
 						if (phoneNumber === "") {
-							const lastCall = phoneCalls[0];
+							const lastCall = phoneCalls?.[0];
 							if (lastCall) {
 								const lastCallRecipient =
 									lastCall.direction === Direction.Inbound ? lastCall.from : lastCall.to;