Fix various minor issues (#545)

* Add absolute URL to power tests

* Update to target Python 3.10

* Return user to current page when clicking 'mark reviewed'

* Add units to power test record detail and form

I'm a bad scientist (coz I'm an engineer)

* Allow a higher value in PSSC fields

* Default venue to event venue in EC/PT

* Fix population of initial venue values for EC/PT

* Add link to create power test from EC detail

* Do not set power plan field to required on RA

"This might be a problem if the risk assessment is being done by one person and the power plan by another."

* Default power MIC to MIC

* Implement some suggestions from the Doctor

* Prevent checking in to cancelled events and dry hires

Will close #539

* Exclude dry hires from H&S overview list

* Add "ex VAT" tooltips to asset purchase price and replacement cost

* Automagically clear and focus ID field when audit modal closes

Closes #533

* Delete unused things

* Allow two decimal places in cable length, show training item IDs in selectpicker

Will close #540

* Fix #524 500 Error when viewing qualification list for items nobody is qualified in

* Update README.md

* Add a guard against nulls in recent changes

Maybe fixes #537 I'm unable to replicate locally

* Turn down verbosity of CI tests, fix tests, potential speedup

* Squash migration

* Add encoding to open

* Update to v3 upload-artifact

Resolves a deprecation warning

assets/tests/pages.py

@@ -77,7 +77,7 @@ class AssetForm(FormPage):
         'description': (regions.TextBox, (By.ID, 'id_description')),
         'is_cable': (regions.CheckBox, (By.ID, 'id_is_cable')),
         'serial_number': (regions.TextBox, (By.ID, 'id_serial_number')),
-        'comments': (regions.SimpleMDETextArea, (By.ID, 'id_comments')),
+        'comments': (regions.TextBox, (By.ID, 'id_comments')),
         'purchase_price': (regions.TextBox, (By.ID, 'id_purchase_price')),
         'replacement_cost': (regions.TextBox, (By.ID, 'id_replacement_cost')),
         'date_acquired': (regions.DatePicker, (By.ID, 'id_date_acquired')),