Fixed some subscribe issues

src/PermissionManager.cpp

@@ -486,6 +486,7 @@ i_group_modify_power,
         b_channel_modify_maxfamilyclients,
         b_channel_modify_sortorder,
         b_channel_modify_needed_talk_power,
+        i_channel_permission_modify_power,
         b_channel_create_child,
         b_channel_create_permanent,
         b_channel_create_temporary,

src/PermissionManager.h

@@ -807,8 +807,8 @@ namespace ts {
 	        };
 
 	        struct PermissionFlaggedValue {
-	        	PermissionValue value;
-	        	bool has_value;
+	        	PermissionValue value = permNotGranted;
+	        	bool has_value = false;
 	        };
 	        static constexpr PermissionFlaggedValue empty_permission_flagged_value{0, false};