attach error messages to the corresponding fields

fixes #80

only affects new reports

fixes #59

fixes #89

fixes #216

break footer items in small screen

fixes #73

convert cancellation of ref invite to htmx

fixes #143

fixes #239

fixes #202

fixes #238

make sponsor organization card clickable

fixes #235

fixes #229

fixes #184

fixes #91

add ordering widget to submission pool search

fixes #233