fix: make re-translating while library is open not leave blank widgets

Co-authored-by: Jann Stute <[email protected]>

Author: python357-1

tagstudio/src/qt/translations.py

@@ -30,9 +30,9 @@ def value(self) -> str:
 
     @value.setter
     def value(self, value: str):
-        if self.__value != value and value is not None:
+        if self.__value != value:
             self.__value = value
-            self.changed.emit(self.__value)
+            self.changed.emit(self.value)
 
 
 class Translator: