Merge branch '#1056853-UnverknüpfteMails_AktivitätenFilter' into '2020.1.3'

#1056853-UnverknüpfteMails_AktivitätenFilter Fehlender Import

See merge request xrm/basic!343

(cherry picked from commit 778d579e)

cfed9679 #1056853-UnverknüpfteMails_AktivitätenFilter Fehlender Import

entity/Activity_entity/recordcontainers/db/filterextensions/isunlinked/filterValuesProcess.js

 import("system.result");
+import("system.translate");
 
 result.object([["true", translate.text("Yes")], ["false", translate.text("No")]]);
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