Fix pubkey sign in.

Added try/catch and updated awaits for async methods in regards to sign
in attempts. This appears to resolve some race conditions with nos2x
extension. More testing to be performed.

css/styles.css

@@ -391,7 +391,7 @@ details.cw summary {
 	-webkit-backdrop-filter: blur(20px);
 }
 .modal.scrollable {
-	overflow: scroll;
+	overflow-y: auto;
 }
 .modal.closed {
 	opacity: 0;

js/main.js

@@ -30,19 +30,18 @@ addEventListener('DOMContentLoaded', (ev) => {
 
 async function damus_web_init() {
 	let tries = 0;
-	function init() {
-		// only wait for 500ms max
-		const max_wait = 500;
-		const interval = 20;
+	const max_wait = 500;
+	const interval = 20;
+	async function init() {
 		if (window.nostr || tries >= (max_wait/interval)) {
 			log_info("init after", tries);
-			damus_web_init_ready();
+			await damus_web_init_ready();
 			return;
 		}
 		tries++;
-		setTimeout(init, interval);
+		await init();
 	}
-	init();
+	setTimeout(init, interval);
 }
 
 async function damus_web_init_ready() {
@@ -60,13 +59,19 @@ async function damus_web_init_ready() {
 
 async function signin() {
 	const model = DAMUS;
-	model.pubkey = await get_pubkey();
+	try {
+		model.pubkey = await get_pubkey();
+	} catch (err) {
+		window.alert("An error occured trying to get your public key.");
+		return;
+	}
 	if (!model.pubkey) {
+		window.alert("No public key was aquired.");
 		return;
 	}
 	find_node("#container-welcome").classList.add("hide");
 	find_node("#container-app").classList.remove("hide");
-	webapp_init();
+	await webapp_init();
 }
 
 async function webapp_init() {

js/ui/util.js

@@ -245,9 +245,13 @@ async function get_pubkey(use_prompt=true) {
 		return pubkey
 	if (window.nostr && window.nostr.getPublicKey) {
 		log_debug("calling window.nostr.getPublicKey()...")
-		const pubkey = await window.nostr.getPublicKey()
+		try {
+			pubkey = await window.nostr.getPublicKey()
+			return await handle_pubkey(pubkey)
+		} catch (err) {
+			return;
+		}
 		log_debug("got %s pubkey from nos2x", pubkey)
-		return await handle_pubkey(pubkey)
 	}
 	if (!use_prompt)
 		return;