[Bug 1215374] Improve the error message in Dolphin's Share page

https://bugzilla.suse.com/show_bug.cgi?id=1215374 https://bugzilla.suse.com/show_bug.cgi?id=1215374#c1 --- Comment #1 from OBSbugzilla Bot <bwiedemann+obsbugzillabot@suse.com> --- This is an autogenerated message for OBS integration: This bug (1215374) was mentioned in https://build.opensuse.org/request/show/1119414 Factory / kdenetwork-filesharing -- You are receiving this mail because: You are on the CC list for the bug.