Fix: 'Remove Carrier' encoding function skips input data

Fix the encoding part of the 'Remove Carrier' decoding function by
flushing any initial carrier symbols before processing actual data.

src/urh/signalprocessing/Encoding.py

@@ -427,6 +427,10 @@ def code_carrier(self, decoding, inpt):
             # Add carrier if encoding
             if len(self.carrier) > 0:
                 x = 0
+                while self.carrier[x % len(self.carrier)] in ("0", "1", "*"):
+                    output.append(False if self.carrier[x % len(self.carrier)] in (
+                    "0", "*") else True)  # Add 0 when there is a wildcard (*) in carrier description
+                    x += 1
                 for i in inpt:
                     tmp = self.carrier[x % len(self.carrier)]
                     if not tmp in ("0", "1", "*"):