blocks/general: Add 'Sign-off' block locking on templates

New feature in Mahara 22.04: Prevent changes to
the settings of the 'Sign-off' block when a
template is copied (Bug #1964428).

source/blocks/general.rst

@@ -952,12 +952,15 @@ Display a specified number of recent forum posts from one group on a page.
 Sign-off
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-:fonticon:`fa fa-check-square-o fa-border fa-2x`
+:fonticon:`fas fa-file-signature fa-border fa-2x`
 
 Portfolio authors can sign off a page, and a manager can verify it.
 
 The sign-off and verification process allows for a visual indicator on a portfolio page showing whether the page has been finished and whether a manager has verified it before it can go for the final assessment. The verification by a manager is optional.
 
+.. note::
+   |new in Mahara 22.04| :index:`When <single: New in Mahara 22.04; Sign-off and verification block settings not changeable on copied templates>` the sign-off block is used in a portfolio that is marked as template, its settings cannot be changed by the portfolio author, and it cannot be removed from the page. This prevents accidental changes to the settings or removal of this functionality altogether for portfolios that require it.
+
 Set up a page for sign-off and verification
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 

source/new.rst

@@ -36,6 +36,11 @@ Résumé changes
 
 You can attach files on an education or employment history item or an achievement either directly from your Mahara files area or by uploading a file from your device.
 
+Prevent changes to sign-off block on copied templates
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+|sign-off lock| To prevent accidental changes to the :ref:`'Sign-off' block <sign-off_block>` on portfolios that are copied from a template, the block settings are not available to portfolio authors once they made a copy of the template.
+
 Delete accounts from specific institutions in bulk via CLI
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

source/shortcuts.rstext

@@ -553,3 +553,7 @@
 .. |cli bulk delete| raw:: html
 
    <i class="fas fa-users-slash fa-3x fa-pull-left new_icon" aria-hidden="true"></i>
+
+.. |sign-off lock| raw:: html
+
+   <i class="fas fa-file-signature fa-3x fa-pull-left new_icon" aria-hidden="true"></i>