plot SOH channels in user's order

closes #110 (closed)

• Plot channels in order set in Channel Preferences.
• Move check not found channels here

sohstationviewer/view/util/functions.py

@@ -359,9 +359,10 @@ def replace_actual_quest_chans(
     for qc in quest_chans:
         actual_quest_chans = [c for c in list(actual_chans)
                               if qc[:-1] == c[:-1]]
-        quest_idx = chan_order.index(qc)
-        chan_order.remove(qc)
-        chan_order[quest_idx:quest_idx] = sorted(actual_quest_chans)
+        if actual_quest_chans:
+            quest_idx = chan_order.index(qc)
+            chan_order.remove(qc)
+            chan_order[quest_idx:quest_idx] = sorted(actual_quest_chans)
     return chan_order