fix(environment): detect RHEL ISO device dynamically instead of hardcoded /dev/sr paths

roles/environment/tasks/main.yml

@@ -187,15 +187,29 @@
                 state: directory
                 mode: "0755"
 
+            - name: Detect RHEL ISO device
+              ansible.builtin.command: lsblk -rno NAME,TYPE
+              register: environment_lsblk_result
+              changed_when: false
+
             - name: Select RHEL ISO device
+              vars:
+                _rom_devices: >-
+                  {{
+                    environment_lsblk_result.stdout_lines
+                    | map('split', ' ')
+                    | selectattr('1', 'equalto', 'rom')
+                    | map('first')
+                    | map('regex_replace', '^', '/dev/')
+                    | list
+                  }}
               ansible.builtin.set_fact:
                 environment_rhel_iso_device: >-
                   {{
-                    '/dev/sr2'
-                    if hypervisor_type == 'libvirt'
-                    else '/dev/sr1'
+                    _rom_devices[-1]
+                    if _rom_devices | length > 1
+                    else (_rom_devices[0] | default('/dev/sr1'))
                   }}
-              changed_when: false
 
             - name: Mount RHEL ISO
               ansible.posix.mount: