tui: align session panel content with consistent left padding

.opencode/command/commit.md

@@ -1,6 +1,5 @@
 ---
 description: Git commit and push
-subtask: true
 ---
 
 commit and push

packages/opencode/src/cli/cmd/tui/routes/session/index.tsx

@@ -939,7 +939,7 @@ function UserMessage(props: {
             onMouseUp={props.onMouseUp}
             paddingTop={1}
             paddingBottom={1}
-            paddingLeft={1}
+            paddingLeft={2}
             backgroundColor={hover() ? theme.backgroundElement : theme.backgroundPanel}
             flexShrink={0}
           >