feat: Lower vertical bubble padding

Signed-off-by: David Leibovych <ariedov@gmail.com>
Co-authored-by: Andy Scherzinger <info@andy-scherzinger.de>

Author: ariedov

app/src/main/res/values/dimens.xml

@@ -30,7 +30,7 @@
     <dimen name="chat_system_message_text_size">14sp</dimen>
     <dimen name="message_bubble_corners_radius">18dp</dimen>
     <dimen name="message_bubble_corners_horizontal_padding">12dp</dimen>
-    <dimen name="message_bubble_corners_vertical_padding">12dp</dimen>
+    <dimen name="message_bubble_corners_vertical_padding">8dp</dimen>
     <dimen name="message_bubble_checkmark_height">18dp</dimen>
 
     <dimen name="link_preview_height">120dp</dimen>