Add try-catch

src/lib/ChatScreens/Chat.svelte

@@ -306,6 +306,7 @@
         {#if DBState.db.useChatCopy && !blankMessage}
             <button class="ml-2 hover:text-blue-500 transition-colors button-icon-copy" onclick={async ()=>{
                 if(window.navigator.clipboard.write){
+                    try {
                         alertWait(language.loading)
                         const root = document.querySelector(':root') as HTMLElement;
 
@@ -420,6 +421,10 @@
                         alertNormal(language.copied)
                         return
                     }
+                    catch (e) {
+                        alertError(`Error, please try again: ${e.message}`)
+                    }
+                }
                 window.navigator.clipboard.writeText(msgDisplay).then(() => {
                     setStatusMessage(language.copied)
                 })