Fixed too large indexes in extra fields

ckanext/odsh/templates/package/snippets/package_basic_fields.html

@@ -111,7 +111,7 @@ dataset_is_draft)) %}
         {% set value = h.odsh_extract_value_from_extras(data.extras,field) %}
         <div class="control-group {{ " error" if error_missing_attr }} control-full">
             <div class="controls">
-                        {{ form.input_extra(field, value=value, index=h.odsh_create_checksum(field), type='text', attrs={'disabled':true,
+                        {{ form.input_extra(field, value=value, index=0, type='text', attrs={'disabled':true,
         'data-module':"odsh_form", 'data-module-licensetoggle':'true', 'data-module-autofill':'true'}, placeholder=_('enter name')) }}
             </div>
         </div>
@@ -144,7 +144,7 @@ dataset_is_draft)) %}
         {% set field = 'temporal_start' %}
         {% set data_temporal_start = h.odsh_extract_value_from_extras(data.extras,field) %}
         {% set value = data_temporal_start.split('T')[0] if data_temporal_start else None %}
-        {% set index = h.odsh_create_checksum(field) %}
+        {% set index = 1 %}
         <div class="control-group {{ " error" if error_start }} control-full">
             <div class="controls">
                         {{ form.input_extra(field, value=value, index=index, type='hidden') }}
@@ -161,7 +161,7 @@ dataset_is_draft)) %}
         {% set value = data_temporal_end.split('T')[0] if data_temporal_end else None %}
         <div class="control-group {{ " error" if error_end }} control-full">
             <div class="controls">
-                        {{ form.input_extra(field, value=value, index=h.odsh_create_checksum(field), type='hidden') }}
+                        {{ form.input_extra(field, value=value, index=2, type='hidden') }}
                         <input pattern="\d{2}\.\d{2}\.\d{4}"  autocomplete="off" id="datepicker_end" type="text" 
                             value="{{h.odsh_render_datetime(value, False)}}" placeholder="{{ _('to') }}"
                             data-module="odsh_datepicker" data-module-target='field-temporal_end-value'/>
@@ -186,7 +186,7 @@ dataset_is_draft)) %}
     <div class="controls">
         <div class="row-fluid">
             <div class="span6">
-                {{ form.input_extra(field, value=value , index=h.odsh_create_checksum(field), type='hidden') }}
+                {{ form.input_extra(field, value=value , index=3, type='hidden') }}
                 <input  pattern="\d{2}\.\d{2}\.\d{4}" autocomplete="off" type="text" 
                     value="{{h.odsh_render_datetime(value, False)}}" 
                     data-module="odsh_datepicker" data-module-target='field-issued-value'/>
@@ -306,7 +306,7 @@ dataset_is_draft)) %}
                     {% endfor %}
                 </select>
                 <div id='selected-groups'>
-                    {{ form.input_extra('groups', value=existing_groups_string, index=h.odsh_create_checksum('groups'), type='hidden')}}
+                    {{ form.input_extra('groups', value=existing_groups_string, index=4, type='hidden')}}
                 </div>
             </div>
             <div class="span6 inline-error">