fix: Gboard multi-line paste on mobile

- Apply mobile paste fix for all mobile devices, not just WebViews
- This fixes Gboard multi-line paste issues on Chrome for Android

Author: Algorithm5838

src/lib/components/common/RichTextInput.svelte

@@ -1005,20 +1005,13 @@
 									return true;
 								}
 
-								// Workaround for mobile WebViews that strip line breaks when pasting from
-								// clipboard suggestions (e.g., Gboard clipboard history).
+								// Workaround for mobile keyboards (e.g., Gboard) that may strip line breaks
+								// when pasting multi-line text from clipboard suggestions.
 								const isMobile = /Android|iPhone|iPad|iPod|Windows Phone/i.test(
 									navigator.userAgent
 								);
-								const isWebView =
-									typeof window !== 'undefined' &&
-									(/wv/i.test(navigator.userAgent) || // Standard Android WebView flag
-										(navigator.userAgent.includes('Android') &&
-											!navigator.userAgent.includes('Chrome')) || // Other generic Android WebViews
-										(navigator.userAgent.includes('Safari') &&
-											!navigator.userAgent.includes('Version'))); // iOS WebView (in-app browsers)
-
-								if (isMobile && isWebView && plainText.includes('\n')) {
+
+								if (isMobile && plainText.includes('\n')) {
 									// Manually deconstruct the pasted text and insert it with hard breaks
 									// to preserve the multi-line formatting.
 									const { state, dispatch } = view;