willexecutors: fee-bound is_valid (extremes allowed), is_selected flag-only; fix merge_will crash on missing date_to_check; DNSSEC async, ical folding, pyright/ruff cleanup; refresh karen7/samanta7 fixtures

bal/gui/qt/calendar.py

@@ -194,30 +194,15 @@ class BalCalendar:
     @staticmethod
     def ical_escape(text: str) -> str:
         # escape per RFC5545: backslash, ; , newlines
-        text = text.encode("utf-8")
         text = (
-            text.replace(b"\\", b"\\\\")
-            .replace(b";", b"\\;")
-            .replace(b",", b"\\,")
+            text.replace("\\", "\\\\")
+            .replace(";", "\\;")
+            .replace(",", "\\,")
+        )
+        return "\r\n".join(
+            BalCalendar.fold_ical_line(line)
+            for line in text.split("\r\n")
         )
-        out =""
-        temp=text.split(b"\r\n")
-        for s in temp:
-            encoded= s
-            cut =0
-            while len(encoded) >75:
-                cut+=5
-                encoded=f"{s[:len(s)-cut]}"
-                if encoded[-1]==b"\\" and encoded[-2]!=b"\\\\":
-                    cut += 1
-                encoded=f"{s[:len(s)-cut]}"
-                encoded=f"{encoded}...\r\n".encode("utf-8")
-            if cut>0:
-                out+=str(f"{s[:len(s)-cut].decode()}...\r\n")
-            else:
-                out+=str(f"{s.decode()}\r\n")
-
-        return out[:-2]
 
     @staticmethod
     def fold_ical_line(line: str, limit: int = 75) -> str: