Preserve recipient input when focus is lost

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

src/components/Composer.vue

@@ -32,6 +32,7 @@
 				:multiple="true"
 				:placeholder="t('mail', 'Contact or email address …')"
 				:show-no-options="false"
+				:preserve-search="true"
 				@keyup="onInputChanged"
 				@tag="onNewToAddr"
 				@search-change="onAutocomplete"
@@ -54,6 +55,7 @@
 				:multiple="true"
 				:placeholder="t('mail', '')"
 				:show-no-options="false"
+				:preserve-search="true"
 				@keyup="onInputChanged"
 				@tag="onNewCcAddr"
 				@search-change="onAutocomplete"
@@ -75,6 +77,7 @@
 				:multiple="true"
 				:placeholder="t('mail', '')"
 				:show-no-options="false"
+				:preserve-search="true"
 				@keyup="onInputChanged"
 				@tag="onNewBccAddr"
 				@search-change="onAutocomplete"