[ui] yet another z-index fix (#2248)

frappe/public/css/desk.css

@@ -354,9 +354,6 @@ fieldset[disabled] .form-control {
   border-bottom: 1px solid #EBEFF2;
 }
 /* jquery ui */
-.ui-datepicker {
-  z-index: 100 !important;
-}
 .ui-datepicker .ui-datepicker-header {
   border-radius: 0px !important;
 }
@@ -468,6 +465,9 @@ fieldset[disabled] .form-control {
 .form-control input {
   padding: 6px 10px 8px;
 }
+.link-field.ui-front {
+  z-index: inherit;
+}
 .modal .hasDatepicker {
   z-index: 1140;
 }

frappe/public/less/desk.less

@@ -144,9 +144,6 @@ textarea.form-control {
 
 
 /* jquery ui */
-.ui-datepicker {
-	z-index: 100 !important;
-}
 
 .ui-datepicker .ui-datepicker-header {
 	border-radius: 0px !important;
@@ -287,6 +284,10 @@ textarea.form-control {
 	}
 }
 
+.link-field.ui-front {
+	z-index: inherit;
+}
+
 .modal .hasDatepicker {
 	z-index: 1140;
 }