Fix spelling (#3181)

Co-authored-by: Josh Soref <jsoref@users.noreply.github.com>

src/renderer/components/+extensions/extension-install.store.ts

@@ -225,7 +225,7 @@ export class ExtensionInstallationStateStore {
   }
 
   /**
-   * If there is at least one extension currently ininstalling
+   * If there is at least one extension currently uninstalling
    */
   static get anyUninstalling(): boolean {
     return ExtensionInstallationStateStore.uninstalling > 0;

src/renderer/components/+extensions/extensions.tsx

@@ -49,7 +49,7 @@ import { docsUrl } from "../../../common/vars";
 
 function getMessageFromError(error: any): string {
   if (!error || typeof error !== "object") {
-    return "an error has occured";
+    return "an error has occurred";
   }
 
   if (error.message) {
@@ -63,7 +63,7 @@ function getMessageFromError(error: any): string {
   const rawMessage = String(error);
 
   if (rawMessage === String({})) {
-    return "an error has occured";
+    return "an error has occurred";
   }
 
   return rawMessage;