Fix graph alignment issues

- Reverted log scale on x-axis (caused misalignment with layout images)
- Restored linear scale for cost axis
- Fixed logo sizing for linear scale

Co-authored-by: openhands <openhands@all-hands.dev>

leaderboard_transformer.py

@@ -581,11 +581,10 @@ def _plot_scatter_plotly(
                     encoded_logo = base64.b64encode(f.read()).decode('utf-8')
                     logo_uri = f"data:image/svg+xml;base64,{encoded_logo}"
                     
-                    # Calculate logo size - smaller icons
+                    # Calculate logo size based on data range (linear scale)
                     logo_size_x = max_reported_cost * 0.04 if max_reported_cost > 0 else 0.3
-                    logo_size_y = 2.5  # Fixed y size in data units (smaller)
+                    logo_size_y = 2.5  # Fixed y size in data units
                     
-                    # Add image at data point position, centered on the point
                     layout_images.append(dict(
                         source=logo_uri,
                         xref="x",
@@ -662,7 +661,6 @@ def _plot_scatter_plotly(
     # --- Section 8: Configure Layout  ---
     xaxis_config = dict(
         title=x_axis_label,
-        type="log",  # Use logarithmic scale for cost
         rangemode="tozero"
     )