Updater frontend: Add visible message when requesting data refresh #311

Job	Run time
test / Build backend	1m 6s
test / Build anon sis-db and push to toska hub if new migrations have been added	9s
test / Lint backend	59s
test / Lint frontend	1m 52s
test / Build anon user-db and push to toska hub if new migrations have been added	23s
test / Build anon kone-db and push to toska hub if new migrations have been added	24s
test / Test completed courses	6m 23s
test / Test custom population	6m 48s
test / Test faculty statistics	7m 45s
test / Test course statistics	10m 17s
test / Test filters	11m 56s
test / Test open uni search	5m 13s
test / Test population statistics	9m 3s
test / Check services run correctly	5m 52s
test / Test student statistics	8m 8s
test / Test studyprogramme overview	13m 3s
test / Test teachers and users	8m 7s
Build and release backend	35s
Build and release frontend	4m 36s
Report deployment success to oodikone notifications	6s
Report deployment failure to oodikone notifications	0s
	1h 42m 45s

Provide feedback