fix: speed up compressing responses #717

Tests on a medium-sized data set (3552 sequences):
I measured request times of /sample/unalignedNucleotideSequences:
- uncompressed: 1300 ms, 65 MB
- gzip compressed: 3100 ms (before: 14 s), 8 MB
- zstd compressed: 970 ms (before: 7.4 s), 342 kB

lapis2/src/main/kotlin/org/genspectrum/lapis/controller/CompressionFilter.kt

@@ -222,6 +222,14 @@ class CompressingServletOutputStream(
         compressingStream.write(byte)
     }
 
+    override fun write(b: ByteArray) {
+        compressingStream.write(b)
+    }
+
+    override fun write(b: ByteArray, off: Int, len: Int) {
+        compressingStream.write(b, off, len)
+    }
+
     override fun isReady() = outputStream.isReady
 
     override fun setWriteListener(listener: WriteListener?) = outputStream.setWriteListener(listener)