Improved ESLint configuration, integrated spellcheck and error fixes (#8931)

* integrate cspell with eslint, improved configuration

* core: fix linting errors

* core: fix lint warnings

* content: lint fixes

* process service lint fixes

* lint: process services cloud

* lint: insights

* lint: extensions

* [ci:force] lint: cli fixes

* [ci:force] comment out dead code

* [ci:force] exclude dead code

* fix code and tests

* rollback some changes

* fix testing lib

* fix demo shell

* minor lint warning fixes

* minor lint fixes

* fix process services

lib/cli/scripts/init-aae-env.ts

@@ -497,7 +497,7 @@ async function checkDescriptorExist(name: string): Promise<boolean> {
     logger.info(`Check descriptor ${name} exist in the list `);
     const descriptorList = await getDescriptors();
 
-    if (descriptorList && descriptorList.list && descriptorList.entries) {
+    if (descriptorList?.list && descriptorList.entries) {
         for (const descriptor of descriptorList.list.entries) {
             if (descriptor.entry.name === name) {
                 if (descriptor.entry.deployed === false) {