Add simple search modal, fix preview modal not closing on cancel

src/utils/Utils.ts

@@ -219,3 +219,13 @@ export function migrateObject<T extends object>(object: T, oldData: any, default
 		object[key] = oldData.hasOwnProperty(key) ? oldData[key] : defaultData[key];
 	}
 }
+
+export function unCamelCase(str: string): string {
+	return str
+		// insert a space between lower & upper
+		.replace(/([a-z])([A-Z])/g, '$1 $2')
+		// space before last upper in a sequence followed by lower
+		.replace(/\b([A-Z]+)([A-Z])([a-z])/, '$1 $2$3')
+		// uppercase the first character
+		.replace(/^./, function(str){ return str.toUpperCase(); });
+}