[Class statistics] Big refactor: General tab #1260

Job	Run time
test / Build backend	43s
test / Build anon sis-db and push to toska hub if new migrations have been added	5s
test / Lint backend and frontend	1m 10s
test / Build anon user-db and push to toska hub if new migrations have been added	17s
test / Build anon kone-db and push to toska hub if new migrations have been added	14s
test / Check services run correctly	2m 21s
test / Test course statistics	4m 9s
test / Test custom population	2m 48s
test / Test population statistics	5m 21s
test / Test filters	5m 47s
test / Test students	2m 41s
test / Test completed courses	2m 26s
test / Test studyprogramme overview	3m 50s
test / Test teachers and users	2m 45s
test / Test faculty statistics	4m 5s
test / Test open uni search	2m 21s
test / Test language center view	2m 53s
test / Test study guidance groups	3m 12s
test / Test evaluation overview	3m 22s
Build and release backend	0s
Build and release frontend	0s
Report deployment failure to oodikone notifications	3s
Report deployment success to oodikone notifications	0s
	50m 33s

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