chore: Update message bubble orientation (#11348)

# Pull Request Template

## Description

This PR includes,

### Changes

1. **Message Orientation**:  
- Updated the bubble orientation of Bot, Agent, and Private Note
messages to align from **left** to **right**.

2. **Activity Message bubble Styling**:  
- Adjusted **padding** and **border-radius** for activity message
bubbles for better alignment and appearance.

| **Before**  | **After** |
| ------------- | ------------- |
| <img width="559" alt="image"
src="https://github.com/user-attachments/assets/18258ae0-0d8e-4447-a005-9b6643b71f81"
/> | <img width="559" alt="image"
src="https://github.com/user-attachments/assets/425785d8-17f9-4629-8301-f19f23aef201"
/> |




---


Fixes
[CW-4263](https://linear.app/chatwoot/issue/CW-4263/v410-messages-history-incoming-and-outgoing-renders-in-one-line),
https://github.com/chatwoot/chatwoot/issues/11340

## Type of change

- [x] Bug fix (non-breaking change which fixes an issue)

## How Has This Been Tested?

### Loom video

https://www.loom.com/share/117bbb1dda98451883c9bb17f7cf016b?sid=05eae4d4-af11-4a41-a1d6-dc4e7e2cb281


## Checklist:

- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my code
- [ ] I have commented on my code, particularly in hard-to-understand
areas
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published in downstream
modules

---------

Co-authored-by: Shivam Mishra <scm.mymail@gmail.com>
Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>
Co-authored-by: Pranav <pranav@chatwoot.com>

app/javascript/dashboard/components-next/message/provider.js

@@ -98,7 +98,7 @@ const MessageControl = Symbol('MessageControl');
  * @property {import('vue').Ref<Sender|null>} [sender=null] - The sender information
  * @property {import('vue').ComputedRef<MessageOrientation>} orientation - The visual variant of the message
  * @property {import('vue').ComputedRef<MessageVariant>} variant - The visual variant of the message
- * @property {import('vue').ComputedRef<boolean>} isMyMessage - Does the message belong to the current user
+ * @property {import('vue').ComputedRef<boolean>} isBotOrAgentMessage - Does the message belong to the current user
  * @property {import('vue').ComputedRef<boolean>} isPrivate - Proxy computed value for private
  * @property {import('vue').ComputedRef<boolean>} shouldGroupWithNext - Should group with the next message or not, it is differnt from groupWithNext, this has a bypass for a failed message
  */