fix: account and partition settings corrected (#249)

quick fix for a minor glitch in the account and partition settings

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **Refactor**
- Streamlined the submission command creation process by directly
incorporating pre-validated parameters, resulting in a simpler and more
efficient operation.
- This update enhances the overall reliability and consistency of the
submission workflow, providing users with improved performance during
command execution and a smoother experience managing submissions.
- These changes are part of ongoing efforts to optimize the system for
better usability and reduced errors.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Author: cmeesters

snakemake_executor_plugin_slurm/submit_string.py

@@ -18,12 +18,15 @@ def get_submit_command(job, params):
         f'--comment "{params.comment_str}"'
     )
 
-    # check whether an account is set
-    if hasattr(params, "account"):
-        call += f" --account={params.account}"
-    # check whether a partition is set
-    if hasattr(params, "partition"):
-        call += f" --partition={params.partition}"
+    # No accout or partition checking is required, here.
+    # Checking is done in the submit function.
+
+    # here, only the string is used, as it already contains
+    # '-A {account_name}'
+    call += f" {params.account}"
+    # here, only the string is used, as it already contains
+    # '- p {partition_name}'
+    call += f" {params.partition}"
 
     if job.resources.get("clusters"):
         call += f" --clusters {job.resources.clusters}"