Turn on noUnusedLocals, noImplicitReturns, importsNotUsedAsValues: error, and isolatedModules (#2777)

src/renderer/utils/prevDefault.ts

@@ -19,7 +19,7 @@
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
-import React from "react";
+import type React from "react";
 
 // Helper for preventing default event action and performing custom callback
 // 1)