sort semester_process_volunteers alphabetically

app/controllers/semester_process_volunteers_controller.rb

@@ -37,6 +37,7 @@ class SemesterProcessVolunteersController < ApplicationController
     authorize SemesterProcessVolunteer
 
     @spvs = SemesterProcessVolunteer.index(Semester.parse(params[:semester])).page(params[:page])
+    @spvs_sorted = @spvs.sort { |spv1, spv2| spv1.volunteer.contact.full_name <=> spv2.volunteer.contact.full_name}
   end
 
   def show; end

app/views/semester_process_volunteers/index.html.slim

@@ -17,7 +17,7 @@ h1= t_title(:index)
         th Letzte Bestätigung
 
     tbody
-      - @spvs.each do |spv|
+      - @spvs_sorted.each do |spv|
         tr
           td.index-action-cell.hidden-print
             = button_link icon_span(:edit), review_semester_semester_process_volunteer_path(spv), title: 'Bearbeiten'