Set ddrescue-tui EToC refresh rate in settings

.bin/Scripts/functions/ddrescue.py

@@ -416,8 +416,8 @@ class RecoveryState():
     elif 'In Progress' not in self.status:
       # Don't update when EToC is hidden
       return
-    if now.second % 5 != 0:
-      # Limit updates to every 5 seconds
+    if now.second % ETOC_REFRESH_RATE != 0:
+      # Limit updates based on settings/ddrescue.py
       return
 
     self.etoc = 'Unknown'

.bin/Scripts/settings/ddrescue.py

@@ -35,6 +35,7 @@ DDRESCUE_SETTINGS = {
   '--timeout':          {'Enabled': True,   'Value': '5m',                },
   '-vvvv':              {'Enabled': True,                 'Hidden': True, },
   }
+ETOC_REFRESH_RATE = 30 # in seconds
 REGEX_REMAINING_TIME = re.compile(
   r'remaining time:'
   r'\s*((?P<days>\d+)d)?'