Bug 32283: Correct capitalisation of opac > OPAC

Test plan
Step 1: Navigate to admin>Identity Providers
Step 2: Add new domain
Step 3: For 'Allow opac' setting, verify that opac is lower case in both label and description
Step 4: Apply patch
Step 5: Navigate to admin>Identity Providers
Step 6: Add new domain
Step 7: For 'Allow OPAC' setting, verify that OPAC is upper case in both label and description

Signed-off-by: David Nind <david@davidnind.com>

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>

koha-tmpl/intranet-tmpl/prog/en/modules/admin/identity_provider_domains.tt

@@ -248,7 +248,7 @@
                         <div class="hint">Use this category for the patron on auto register</div>
                     </li>
                     <li>
-                        <label for="allow_opac">Allow opac: </label>
+                        <label for="allow_opac">Allow OPAC: </label>
                         <select name="allow_opac" id="allow_opac">
                         [% IF identity_provider_domain.allow_opac == "1" %]
                             <option value="1" selected="selected">Allow</option>
@@ -258,7 +258,7 @@
                             <option value="0" selected="selected">Don't allow</option>
                         [% END %]
                         </select>
-                        <span>opac users of this domain to login with this identity provider</span>
+                        <span>OPAC users of this domain to login with this identity provider</span>
                     </li>
                     <li>
                         <label for="allow_opac">Allow staff: </label>