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/Demio/Demio.node.ts

@@ -138,7 +138,7 @@ export class Demio implements INodeType {
 
 						responseData = await demioApiRequest.call(this, 'GET', `/events`, {}, qs);
 
-						if (returnAll === false) {
+						if (!returnAll) {
 							const limit = this.getNodeParameter('limit', i);
 							responseData = responseData.splice(0, limit);
 						}
@@ -159,8 +159,8 @@ export class Demio implements INodeType {
 
 						if (additionalFields.customFieldsUi) {
 							const customFields =
-								(((additionalFields.customFieldsUi as IDataObject) || {})
-									.customFieldsValues as IDataObject[]) || [];
+								((additionalFields.customFieldsUi as IDataObject)
+									?.customFieldsValues as IDataObject[]) || [];
 							const data = customFields.reduce(
 								(obj, value) => Object.assign(obj, { [`${value.fieldId}`]: value.value }),
 								{},