fix(flex): remove unreachable condition in applyAlignment

Remove unreachable condition that checked if lineWidth < containerWidth
inside a block where availableSpace <= 0 (which means lineWidth >= containerWidth).
Simplify to just return the line without padding when it meets or exceeds width.

Author: airtonix

src/Flex.ts

@@ -522,10 +522,7 @@ export class Flex implements Component {
     const availableSpace = containerWidth - lineWidth;
 
     if (availableSpace <= 0) {
-      // If line is already at or exceeds container width, pad to exact width
-      if (lineWidth < containerWidth) {
-        return line + ' '.repeat(containerWidth - lineWidth);
-      }
+      // Line is at or exceeds container width; no additional padding applied
       return line;
     }