Fix loganalyzer crash with Exception: pop from empty list (#19633)

What is the motivation for this PR?
loganalyzer is crashing in case config_reload raising any exceptions.

How did you do it?
support_ignore_loganalyzer wrapper was not handling the addition of end_ignore_marker in case of wrapped function raised exceptions, added try and finally block to add end_ignore_marker

Author: rajkumar1-arista

tests/common/plugins/loganalyzer/utils.py

@@ -21,11 +21,12 @@ def decorated(*args, **kwargs):
             for _, dut_loganalyzer in list(loganalyzer.items()):
                 dut_loganalyzer.add_start_ignore_mark()
 
-        res = func(*args, **kwargs)
-
-        if loganalyzer:
-            for _, dut_loganalyzer in list(loganalyzer.items()):
-                dut_loganalyzer.add_end_ignore_mark()
+        try:
+            res = func(*args, **kwargs)
+        finally:
+            if loganalyzer:
+                for _, dut_loganalyzer in list(loganalyzer.items()):
+                    dut_loganalyzer.add_end_ignore_mark()
 
         return res