[Infra and Logs UI] Fixes "sticky filter" problem (elastic#40226) (el…

…astic#40285)

* Submits query bar form when everything has been deleted and also on blur to prevent sticky value problem

* Moved reset to cDU to cover all deleted value cases, not just Backspace

x-pack/legacy/plugins/infra/public/components/autocomplete_field/autocomplete_field.tsx

@@ -65,6 +65,7 @@ export class AutocompleteField extends React.Component<
             onKeyDown={this.handleKeyDown}
             onKeyUp={this.handleKeyUp}
             onSearch={this.submit}
+            onBlur={this.submit}
             placeholder={placeholder}
             value={value}
           />
@@ -100,6 +101,10 @@ export class AutocompleteField extends React.Component<
       this.updateSuggestions();
     }
 
+    if (hasNewValue && this.props.value === '') {
+      this.submit();
+    }
+
     if (hasNewSuggestions && this.state.isFocused) {
       this.showSuggestions();
     }