Cli: Fixed crash due to missing spellfix extension

ReactNativeClient/lib/BaseApplication.js

@@ -741,6 +741,14 @@ class BaseApplication {
 			Setting.setValue('db.fuzzySearchEnabled', fuzzySearchEnabled ? 1 : 0);
 		}
 
+		// Always disable on CLI because building and packaging the extension is not working
+		// and is too error-prone - requires gcc on the machine, or we should package the .so
+		// and dylib files, but it's not sure it would work everywhere if not built from
+		// source on the target machine.
+		if (Setting.value('appType') !== 'desktop') {
+			Setting.setValue('db.fuzzySearchEnabled', 0);
+		}
+
 		if (Setting.value('encryption.shouldReencrypt') < 0) {
 			// We suggest re-encryption if the user has at least one notebook
 			// and if encryption is enabled. This code runs only when shouldReencrypt = -1

ReactNativeClient/lib/database-driver-node.js

@@ -37,7 +37,15 @@ class DatabaseDriverNode {
 	}
 
 	loadExtension(path) {
-		return this.db_.loadExtension(path);
+		return new Promise((resolve, reject) => {
+			this.db_.loadExtension(path, (error) => {
+				if (error) {
+					reject(error);
+				} else {
+					resolve();
+				}
+			});
+		});
 	}
 
 	selectAll(sql, params = null) {

ReactNativeClient/lib/joplin-database.js

@@ -910,9 +910,12 @@ class JoplinDatabase extends Database {
 		this.logger().info('Checking for database schema update...');
 
 		try {
+			// Note that the only extension that can be loaded as of now is spellfix.
+			// If it fails here, it will fail on the fuzzySearchEnabled() check above
+			// too, thus disabling spellfix for the app.
 			await this.loadExtension(this.extensionToLoad);
 		} catch (error) {
-			console.info(error);
+			this.logger().error(error);
 		}
 
 		let versionRow = null;
@@ -923,7 +926,7 @@ class JoplinDatabase extends Database {
 			if (error.message && error.message.indexOf('no such table: version') >= 0) {
 				// Ignore
 			} else {
-				console.info(error);
+				this.logger().info(error);
 			}
 		}