replace somewhere in mivExchangeBaseItem for attachments with localhost

According to the name choosen, the domain should points to somewhere but
should not be a real domain.

To avoid domain resolution to somewhere.com by some browsers, we use the
reserved domain localhost.

Author: Trim

common/interface/exchangeBaseItem/mivExchangeBaseItem.js

@@ -2891,7 +2891,7 @@ mivExchangeBaseItem.prototype = {
                 for (var fileAttachment of Object.values(fileAttachments)) {
                     var newAttachment = cal.createAttachment();
                     newAttachment.setParameter("X-AttachmentId", xml2json.getAttributeByTag(fileAttachment, "t:AttachmentId", "Id"));
-                    newAttachment.uri = Services.io.newURI("http://somewhere/?id=" + encodeURIComponent(xml2json.getAttributeByTag(fileAttachment, "t:AttachmentId", "Id")) + "&name=" + encodeURIComponent(xml2json.getTagValue(fileAttachment, "t:Name")) + "&size=" + encodeURIComponent(xml2json.getTagValue(fileAttachment, "t:Size", "")) + "&calendarid=" + encodeURIComponent(this.calendar.id) + "&isinline=" + encodeURIComponent(xml2json.getTagValue(fileAttachment, "t:IsInline", "false")) + "&contentid=" + encodeURIComponent(xml2json.getTagValue(fileAttachment, "t:ContentId", "<NOPE>")));
+                    newAttachment.uri = Services.io.newURI("http://localhost/?id=" + encodeURIComponent(xml2json.getAttributeByTag(fileAttachment, "t:AttachmentId", "Id")) + "&name=" + encodeURIComponent(xml2json.getTagValue(fileAttachment, "t:Name")) + "&size=" + encodeURIComponent(xml2json.getTagValue(fileAttachment, "t:Size", "")) + "&calendarid=" + encodeURIComponent(this.calendar.id) + "&isinline=" + encodeURIComponent(xml2json.getTagValue(fileAttachment, "t:IsInline", "false")) + "&contentid=" + encodeURIComponent(xml2json.getTagValue(fileAttachment, "t:ContentId", "<NOPE>")));
 
                     this._attachments.push(newAttachment.clone());
                     this._calEvent.addAttachment(newAttachment);