Fix Bug: Required workflow input 'test_wes_app.bed' not specified

inputs

   "{{ project_name }}.disk_size": "{{ disk_size }}",
   "{{ project_name }}.FASTQCdocker": "{{ FASTQCdocker }}",
   "{{ project_name }}.MULTIQCdocker": "{{ MULTIQCdocker }}",
+  "{{ project_name }}.bed": "{{ bed }}",
   "{{ project_name }}.reference_bed_dict": "{{ reference_bed_dict }}",
   "{{ project_name }}.fastq_2_M8": "{{ fastq_2_M8 }}",
   "{{ project_name }}.project": "{{ project_name }}",

schema.json

         },
         {
             "tmplType": "file",
-            "label": "Reference Bed Dict",
-            "model": "reference_bed_dict",
+            "label": "Bed File",
+            "model": "bed",
             "readOnly": false,
             "multiple": false,
-            "filterType": ".dict",
-            "question": "A sequence dictionary for a reference sequence.",
-            "placeholder": "A sequence dictionary for a reference sequence.",
+            "filterType": ".bed",
+            "question": "A bed file for your wes data.",
+            "placeholder": "A bed file for your wes data.",
             "config": {
-                "initialValue": "oss://pgx-reference-data/GRCh38.d1.vd1/GRCh38.d1.vd1.dict",
                 "rules": [
                     {
                         "required": true,