core, bridge (params): added asyncGetParamsValuesFromCategory (yes that's a long name!) method to retrive params names and values for a given category

src/bridge/bridge_constructor/bridge_template.ini

@@ -479,6 +479,19 @@ doc_param_2=attribute: Name of the attribute
 doc_param_3=%(doc_security_limit)s
 doc_param_4=%(doc_profile_key)s
 
+[asyncGetParamsValuesFromCategory]
+async=
+type=method
+category=code
+sig_in=sis
+sig_out=a{ss}
+param_1_default=-1
+param_2_default="@DEFAULT@"
+doc=Get "attribute" for all params of a category
+doc_param_0=category: as for [setParam]
+doc_param_1=%(doc_security_limit)s
+doc_param_2=%(doc_profile_key)s
+
 [getParamsUI]
 async=
 type=method