phone number should be optional on add new portfolio member form

templates/components/text_input.html

@@ -13,7 +13,8 @@
   disabled=False,
   initial_value='',
   classes='',
-  noMaxWidth=False) -%}
+  noMaxWidth=False,
+  optional=False) -%}
 
   <textinput
     v-cloak
@@ -23,6 +24,7 @@
     {% if noMaxWidth %}no-max-width='true'{% endif %}
     {% if initial_value or field.data is not none %}initial-value='{{ initial_value or field.data }}'{% endif %}
     {% if field.errors %}v-bind:initial-errors='{{ field.errors | list }}'{% endif %}
+    v-bind:optional={{ optional|lower }}
     key='{{ field.name }}'
     inline-template>
 

templates/portfolios/admin.html

@@ -81,7 +81,7 @@
           {{ TextInput(member_form.email, validation='email') }}
         </div>
         <div class='form-col form-col--half'>
-          {{ TextInput(member_form.phone_number, validation='usPhone') }}
+          {{ TextInput(member_form.phone_number, validation='usPhone', optional=True) }}
         </div>
       </div>
       <div class='form-row'>