Introduce non-dialog object form

…and, probably, base DialogObjectForm on it

added part::frontend label

mentioned in merge request !1594 (merged)

assigned to @ZugBahnHof

do this based on !1626 (merged)

created branch 1110-introduce-non-dialog-object-form to address this issue

mentioned in merge request !1655 (merged)

closed

mentioned in commit 5475a985