Create error when trying to backup wile system in freeze (#11634)

Co-authored-by: Bram Kragten <mail@bramkragten.nl>

hassio/src/update-available/update-available-card.ts

@@ -192,13 +192,7 @@ class UpdateAvailableCard extends LitElement {
                     </a>`
                   : ""}
                 <span></span>
-                <ha-progress-button
+                <ha-progress-button @click=${this._update} raised>
-                  .disabled=${!this._version ||
-                  (this._shouldCreateBackup &&
-                    this.supervisor.info?.state !== "running")}
-                  @click=${this._update}
-                  raised
-                >
                   ${this.supervisor.localize("common.update")}
                 </ha-progress-button>
               </div>
@@ -360,8 +354,14 @@ class UpdateAvailableCard extends LitElement {
   }
 
   private async _update() {
+    if (this._shouldCreateBackup && this.supervisor.info.state === "freeze") {
+      this._error = this.supervisor.localize("backup.backup_already_running");
+      return;
+    }
+
     this._error = undefined;
     this._updating = true;
+
     try {
       if (this._updateType === "addon") {
         await updateHassioAddon(

src/translations/en.json

@@ -4514,7 +4514,8 @@
       "confirm_password": "Confirm backup password",
       "password_protection": "Password protection",
       "enter_password": "Please enter a password.",
-      "passwords_not_matching": "The passwords does not match"
+      "passwords_not_matching": "The passwords does not match",
+      "backup_already_running": "A backup or restore is already running, creating a new backup is currently not possible, try again later."
     },
     "dialog": {
       "network": {