fix: make view variant fill panel so long feedback scrolls

Remove bottom:auto and min-height overrides on #viewVariant.
It now matches editVariant layout (flex column, full height),
so contentBar's overflow-y:auto kicks in for long feedback text.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 02919104-34f1-44e8-91db-7bfd688b1b6e

Author: Devyani Jain

components.css

@@ -544,8 +544,6 @@
 }
 
 #viewVariant {
-  bottom:     auto;
-  min-height: 300px;
 }
 
 /* ── Action Bar ── */