Fix Release as Tributary decision appearing on self and de jure vassals

Author: Whizzer

CK2Plus/decisions/zz_CK2Plus_minor_decisions.txt

@@ -1998,7 +1998,7 @@ targeted_decisions = {
 	}
 
 	release_as_protectorate = {
-		filter = vassals
+		filter = vassals # Doesn't exclude decision taker!
 		ai_target_filter = vassals
 
 		ai = no
@@ -2015,9 +2015,13 @@ targeted_decisions = {
 		}
 
 		potential = {
-			has_imperial_government_trigger = yes
 			higher_real_tier_than = COUNT
-			NOT = { de_jure_liege_or_above = FROM }
+			has_imperial_government_trigger = yes
+			NOT = { character = FROM } # See filters above
+
+			primary_title = { # Trigger doesn't work properly in character scope
+				NOT = { de_jure_liege_or_above = FROM }
+			}
 		}
 
 		allow = {