feat(frontend): right panel lives in browser history and back closes it first, message panels close on chat switch, hotkeys for search, chats, in-chat search and closing

frontend/src/lib/components/alerts/AlertsPanel.svelte

@@ -22,6 +22,7 @@
     EVENT_ICONS,
   } from "#lib/format/watches.js";
   import { t } from "#lib/i18n/locale.svelte.js";
+  import { replaceParam } from "#lib/params.js";
   import { accounts } from "#lib/stores/accounts.svelte.js";
   import { ALERTS_PARAM, alerts } from "#lib/stores/alerts.svelte.js";
   import { ui } from "#lib/stores/ui.svelte.js";
@@ -48,15 +49,7 @@
   );
 
   function writeParam(value: Filter | null) {
-    const url = new URL(page.url.href);
-    if (value === null) {
-      url.searchParams.delete(ALERTS_PARAM);
-    } else {
-      url.searchParams.set(ALERTS_PARAM, value);
-    }
-    if (url.href !== page.url.href) {
-      goto(url, { replace: true, reset: false });
-    }
+    replaceParam(ALERTS_PARAM, value);
   }
 
   function setFilter(next: Filter) {
@@ -135,10 +128,10 @@
 
   async function openAlert(alert: AlertItem) {
     seen(alert);
-    await goto(alert.path);
     if (isMobile()) {
-      ui.closePanel();
+      ui.resetPanel();
     }
+    await goto(alert.path);
   }
 
   async function seeAll() {