Fix relative paths in FOM and Success criteria definitions

This commit ensures that all log file paths in FOM and Success Criteria
are absolute paths instead of allowing relative paths.

lib/ramble/ramble/application.py

@@ -2062,6 +2062,11 @@ def _analysis_dicts(self, criteria_list):
         # Extract file paths for all criteria
         for criteria in criteria_list.all_criteria():
             log_path = self.expander.expand_var(criteria.file)
+
+            # Ensure log path is absolute. If not, prepend the experiment run directory
+            if not os.path.isabs(log_path) and self.expander.experiment_run_dir not in log_path:
+                log_path = os.path.join(self.expander.experiment_run_dir, log_path)
+
             if log_path not in files and os.path.exists(log_path):
                 files[log_path] = self._new_file_dict()
 
@@ -2094,6 +2099,10 @@ def _analysis_dicts(self, criteria_list):
         for fom, conf in fom_definitions.items():
             log_path = self.expander.expand_var(conf["log_file"])
 
+            # Ensure log path is absolute. If not, prepend the experiment run directory
+            if not os.path.isabs(log_path) and self.expander.experiment_run_dir not in log_path:
+                log_path = os.path.join(self.expander.experiment_run_dir, log_path)
+
             if log_path not in files:
                 files[log_path] = self._new_file_dict()