Merge pull request #4255 from christianbeeznest/OFAJ-19231-datepicker

Minor : Add placeholder to datepicker - refs BT#19231

public/main/inc/lib/formvalidator/Element/DatePicker.php

@@ -44,7 +44,7 @@ class DatePicker extends HTML_QuickForm_text
         return '
             <div id="'.$id.'" class="flex flex-row mt-1">
                 <input '.$this->_getAttrString($this->_attributes).'
-                    class="form-control" type="text" value="'.$value.'" data-input>
+                    class="form-control border" type="text" value="'.$value.'" placeholder="'.get_lang('Select date ..').'" data-input>
                 <div class="ml-1" id="button-addon3">
                     <button class="btn btn-outline-secondary"  type="button" data-toggle>
                         <i class="fas fa-calendar-alt"></i>

public/main/inc/lib/formvalidator/Element/DateTimePicker.php

@@ -53,7 +53,7 @@ class DateTimePicker extends HTML_QuickForm_text
         return '
             <div id="div_'.$id.'" class="flex flex-row mt-1">
                 <input '.$this->_getAttrString($this->_attributes).'
-                    class="form-control" type="text" value="'.$value.'" data-input>
+                    class="form-control border" type="text" value="'.$value.'" placeholder="'.get_lang('Select datetime ..').'" data-input>
                 <div class="ml-1" id="button-addon3">
                     <button class="btn btn-outline-secondary"  type="button" data-toggle>
                         <i class="fas fa-calendar-alt"></i>