chore: fix some typos in comments (#3108)

Signed-off-by: loselarry <bikangning@yeah.net>

cmd/users_import.go

@@ -60,7 +60,7 @@ list or set it to 0.`,
 			// User exists in DB.
 			if err == nil {
 				if !overwrite {
-					checkErr(errors.New("user " + strconv.Itoa(int(user.ID)) + " is already registred"))
+					checkErr(errors.New("user " + strconv.Itoa(int(user.ID)) + " is already registered"))
 				}
 
 				// If the usernames mismatch, check if there is another one in the DB
@@ -84,6 +84,6 @@ list or set it to 0.`,
 }
 
 func usernameConflictError(username string, originalID, newID uint) error {
-	return fmt.Errorf(`can't import user with ID %d and username "%s" because the username is already registred with the user %d`,
+	return fmt.Errorf(`can't import user with ID %d and username "%s" because the username is already registered with the user %d`,
 		newID, username, originalID)
 }

frontend/src/utils/clipboard.ts

@@ -22,7 +22,7 @@ export function copy(text: string) {
           }
         })
         .catch((e) => {
-          // Firefox doesnt support clipboard-write permission
+          // Firefox doesn't support clipboard-write permission
           if (navigator.userAgent.indexOf("Firefox") != -1) {
             navigator.clipboard.writeText(text).then(resolve).catch(reject);
           } else {

frontend/src/utils/upload.ts

@@ -35,7 +35,7 @@ export function scanFiles(dt: DataTransfer): Promise<UploadList | FileList> {
     const contents: UploadList = [];
 
     if (dt.items) {
-      // ts didnt like the for of loop even tho
+      // ts didn't like the for of loop even tho
       // it is the official example on MDN
       // for (const item of dt.items) {
       for (let i = 0; i < dt.items.length; i++) {