Styling of empty chat history

[arvislacis]

Version

1.88.0

Describe the bug

This a very minor UI bug and of course is not critical but when chat history is empty then the history view doesn't expand dynamically when increasing the width of the Cody sidebar panel. Screen-shot:

Expected behavior

When increasing the width the Cody sidebar panel the chat history view (also with empty history) should expand and take up all the available space - in other words, it should look always centered in view).

Additional context

No response