WIP: bug datalist

src/app/search/components/criteria/search-type/datalist.component.html

-<div class="form-group row">
-    <label class="col-3 col-form-label">{{ label }}</label>
-    <div class="col">
-        <input [attr.list]="getDatalistId()" 
-            type="text" 
-            class="form-control" 
-            [placeholder]="getPlaceholder()"
-            [formControl]="field" 
-            autocomplete="off" />
-        <datalist [id]="getDatalistId()">
-            <option *ngFor="let option of options" [value]="option.value">
-        </datalist>
+<div class="row">
+    <div class="col form-group">
+        <label>{{ label }}</label>
+        <div class="row">
+            <div class="col col-sm-auto pr-sm-1 mb-1 mb-sm-0">
+                <app-operator
+                    [operator]="operator"
+                    [searchType]="field"
+                    [advancedForm]="advancedForm"
+                    [disabled]="disabledOperator"
+                    (changeOperator)="changeOperator($event)">
+                </app-operator>
+            </div>
+            <div class="w-100 d-block d-sm-none"></div>
+            <div class="col pl-sm-1">
+                <input [attr.list]="getDatalistId()" 
+                    type="text" 
+                    class="form-control" 
+                    [placeholder]="getPlaceholder()"
+                    [formControl]="field" 
+                    autocomplete="off" />
+                <datalist [id]="getDatalistId()">
+                    <option *ngFor="let option of options" [value]="option.value">
+                </datalist>
+            </div>
+        </div>
     </div>
-    <div class="col-2 text-center">
-        <button class="btn btn-outline-success" *ngIf="!field.disabled" [hidden]="!field.value"
-            (click)="emitAdd()">
+    <div class="col-2 text-center align-self-end pb-3">
+        <button class="btn btn-outline-success" *ngIf="!field.disabled" [hidden]="!field.value" (click)="emitAdd()">
             <span class="fas fa-plus fa-fw"></span>
         </button>
         <button class="btn btn-outline-danger" *ngIf="field.disabled" (click)="emitDelete()">
@@ -21,3 +34,4 @@
         </button>
     </div>
 </div>
+