refactor(core): Remove linting exceptions in nodes-base (#4794)

* ⚡ enabled array-type

* ⚡ await-thenable on

* ⚡ ban-types on

* ⚡ default-param-last on

* ⚡ dot-notation on

* ⚡ member-delimiter-style on

* ⚡ no-duplicate-imports on

* ⚡ no-empty-interface on

* ⚡ no-floating-promises on

* ⚡ no-for-in-array on

* ⚡ no-invalid-void-type on

* ⚡ no-loop-func on

* ⚡ no-shadow on

* ⚡ ban-ts-comment re enabled

* ⚡ @typescript-eslint/lines-between-class-members on

* address my own comment

* @typescript-eslint/return-await on

* @typescript-eslint/promise-function-async on

* @typescript-eslint/no-unnecessary-boolean-literal-compare on

* @typescript-eslint/no-unnecessary-type-assertion on

* prefer-const on

* @typescript-eslint/prefer-optional-chain on

Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <aditya@netroy.in>

packages/nodes-base/nodes/ApiTemplateIo/GenericFunctions.ts

@@ -73,7 +73,7 @@ export function validateJSON(json: string | object | undefined): any {
 	return result;
 }
 
-export function downloadImage(this: IExecuteFunctions, url: string) {
+export async function downloadImage(this: IExecuteFunctions, url: string) {
 	return this.helpers.request({
 		uri: url,
 		method: 'GET',