[ multiple identities ] added some text telling people to be careful.

Author: soapdog

lib/identities-manager-window.js

@@ -249,6 +249,18 @@ module.exports = function (config) {
           }
         },
       }, "Import"),
+      h("p", [
+        h("strong", "Attention: "),
+        `Be very careful when importing an account. 
+        You need to wait until it finishes downloading all previous data. 
+        If you can still launch your old account, double check your last message and make sure 
+        you can see it before you attempt to post with the new account. 
+        If you attempt to post before it finishes downloading, you will gonna break your account in a irreversible way. `,
+        h(
+          "strong",
+          "Do not attempt to use the account in your old device after importing it.",
+        ),
+      ]),
     ]),
   ]);
 
@@ -288,6 +300,18 @@ module.exports = function (config) {
           }
         },
       }, "Import"),
+      h("p", [
+        h("strong", "Attention: "),
+        `Be very careful when importing an account. 
+        You need to wait until it finishes downloading all previous data. 
+        If you can still launch your old account, double check your last message and make sure 
+        you can see it before you attempt to post with the new account. 
+        If you attempt to post before it finishes downloading, you will gonna break your account in a irreversible way. `,
+        h(
+          "strong",
+          "Do not attempt to use the account in your old device after importing it.",
+        ),
+      ]),
     ]),
   ]);