fix: do not try to consider bool settings as tagged. This fixes the e…

…rror TypeError: 'bool' object is not iterable occurring with some plugins.

snakemake_interface_common/plugin_registry/plugin.py

@@ -238,7 +238,8 @@ def extract_values(value, thefield, name, tag=None):
                     else:
                         kwargs_tagged[tag][name] = value
 
-            if self.support_tagged_values:
+            # for now, bool values cannot be tagged and thereby apply to all instances
+            if self.support_tagged_values and thefield.type != bool:
                 if value != MISSING:
                     for item in value:
                         splitted = item.split("::", 1)