Fix adding new advanced search row with More field selected

Broken in 28aa86eb79

chrome/content/zotero/bindings/zoterosearch.xml

@@ -440,6 +440,10 @@
 					var operators = condition.operators;
 					
 					conditionsMenu.value = conditionName;
+					// Store in attribute as well because the value doesn't get set properly when
+					// the value is from a menuitem in the More menu, and we need this to select
+					// the previous condition when creating a new row
+					conditionsMenu.setAttribute('data-value', conditionName);
 					
 					// Parent state isn't set automatically for submenu selections
 					if (!this.isPrimaryCondition(conditionName)) {
@@ -814,7 +818,7 @@
 						if (this.parent){
 							let ref = this.parent.search.getCondition(
 								this.parent.search.addCondition(
-									this.id('conditionsmenu').value,
+									this.id('conditionsmenu').getAttribute('data-value'),
 									this.id('operatorsmenu').value,
 									""
 								)