Simple attachments in messages history (#164)

* new attachments in messages history - photo, video, audio, file, link
* improve attachments in messages history and adjusted font size for logo's text in auth screen
* audio duration, file preview and url preview are now visible in attachments in messages history screen
* make MessageBubble width adapt to attachments container width
* topbar back icon crossfade animation
* implement rich text for message input
* handle click and long click on attachments
* added click and long click handlers for attachments in message bubbles
* enabled opening photos, files, and links when clicked.
* implemented basic long-click logging for photos.
* handled back press to return to Conversations from other tabs.
* corrected the logic for filtering and selecting video images.
* updated string resources for attachments, including a new "Clip" string.
* make MessageBubble mention text underline on out messages

core/ui/src/main/res/values/strings.xml

@@ -83,6 +83,7 @@
     <string name="message_attachments_files_many">%1$d files</string>
     <string name="message_attachments_files_other">%1$d files</string>
 
+    <string name="message_attachments_clip">Clip</string>
     <string name="message_attachments_audio_message">Voice message</string>
     <string name="message_attachments_link">Link</string>
     <string name="message_attachments_mini_app">Mini App</string>
@@ -338,4 +339,10 @@
     <string name="unspam_message_title">Unmark as spam</string>
     <string name="unspam_message_text">Are you sure you want to unmark this message as spam?</string>
     <string name="copied_to_clipboard">Copied to clipboard</string>
+
+    <string name="autofill">Autofill</string>
+    <string name="bold">Bold</string>
+    <string name="italic">Italic</string>
+    <string name="underline">Underline</string>
+    <string name="link">Link</string>
 </resources>