Fix donation + onboarding buttons

czech_inspirational/templates/czech_inspirational/base.html

...t/migrations/0115_alter_districthomepage_donation_page.py

district/models.py

district/templates/district/base.html

donate/templates/donate/base.html

regulace_konopi/templates/regulace_konopi/base.html

senat_campaign/templates/senat_campaign/base.html

senate/templates/senate/base.html

uniweb/templates/uniweb/base.html