fix: top align fonts

ts/src/font/u8g2.ts

@@ -265,11 +265,11 @@ export function rasterizeText(
 
   const pixels = new Uint8Array(totalW * cellHeight);
 
-  // Centre the full font (ascent + |descent|) vertically in the cell.
+  // Top-align the full font (ascent + |descent|) within the cell.
   // header byte 14 is descent of 'g' - stored as a negative signed value.
   const descent = font.FONT_DATA[14]! > 127 ? font.FONT_DATA[14]! - 256 : font.FONT_DATA[14]!;
   const fontH = hdr.ascentA - descent;      // total font height in pixels
-  const topPad = Math.floor((cellHeight - fontH) / 2);
+  const topPad = 0;
   const baseline = topPad + hdr.ascentA;
 
   let x = 0;