Merge branch '38-safari-bug' into 'master'

Resolve "Matching Bug"

Closes #38

See merge request !55

src/store/concordance/index.ts

@@ -266,6 +266,10 @@ const concordance: Module<ConcordanceState, any> = {
                         throw Error(r.statusText);
                     }
                 }).catch((err) => {
+                    // clear list
+                    // hint: this will clear the proposal edit form
+                    commit(Mutations.CLEAR_EDIT_LIST);
+                    // throw error
                     const metagridError: MetagridError = {
                         title: "Network error",
                         message: 'Can\'t merge concordances.',