fix(find downsample fastq files) (#2878)

# Description

fix parsing sample id downsample store cli

Author: ChristianOertlin

cg/apps/downsample/utils.py

@@ -38,7 +38,7 @@ def store_downsampled_fastq_files_from_dir(
     """
     fastq_file_paths: list[Path] = get_files_matching_pattern(
         directory=Path(fastq_file_output_directory),
-        pattern=f"*{sample_id.split(sep='_')[0]}*.{SequencingFileTag.FASTQ}.gz",
+        pattern=f"*{sample_id.split(sep='DS')[0]}*.{SequencingFileTag.FASTQ}.gz",
     )
     if not fastq_file_paths:
         raise FileNotFoundError(

cg/cli/downsample.py

@@ -70,7 +70,7 @@ def downsample_sample(
     "store",
     help="Store the downsampled fastq files in housekeeper.\n "
     "Make sure the downsample sbtach job has finished before using this command! \n"
-    "Usage: cg downsample store ACC123145_2.0M ACC1231_30.0M",
+    "Usage: cg downsample store ACC123145DS2C0M ACC1231DS30C0M",
 )
 @click.argument("sample_ids", type=str, nargs=-1)
 @click.pass_obj