fix: regenerate response shortcut (#19875)

* fix: regenerate shortcut

* Refactor shortcut handling for regenerate response

* refac

---------

Co-authored-by: Zyfax <kemon@hey.com>

src/routes/(app)/+layout.svelte

@@ -246,7 +246,10 @@
 					console.log('Shortcut triggered: GENERATE_MESSAGE_PAIR');
 					event.preventDefault();
 					document.getElementById('generate-message-pair-button')?.click();
-				} else if (isShortcutMatch(event, shortcuts[Shortcut.REGENERATE_RESPONSE])) {
+				} else if (
+					isShortcutMatch(event, shortcuts[Shortcut.REGENERATE_RESPONSE]) &&
+					document.activeElement?.id === 'chat-input'
+				) {
 					console.log('Shortcut triggered: REGENERATE_RESPONSE');
 					event.preventDefault();
 					[...document.getElementsByClassName('regenerate-response-button')]?.at(-1)?.click();