[ADF-3746] Add style lint rules (#3975)

* add stylelint

* fix style first part

*  fix style second part

*  fix style third part

*  fix style fourth part

* Fix e2e tests first part

* Fix e2e tests second part

* Rebase branch

*  fix style third part

*  fix style fourth part

* Fix list error

* fix insights

* fix style abotu component

* Fix e2e tests second part

* Rebase branch

*  fix style third part

*  fix style fourth part

* Fix list error

* Fix e2e tests second part

* Rebase branch

*  fix style third part

*  fix style fourth part

* Fix list error

* [ADF-3746] Rebase branch

* Fix e2e tests second part

* Rebase branch

*  fix style third part

*  fix style fourth part

* Fix list error

* Fix e2e tests second part

* Rebase branch

* Fix list error

* fix new style added

* tslint fix

* [ADF-3746] Fix scss errors on Process Filters Cloud component

lib/core/styles/_mixins.scss

@@ -1,6 +1,6 @@
-@import "variables";
+@import 'variables';
 
-@mixin no-select {
+@mixin adf-no-select {
     -webkit-touch-callout: none;
     -webkit-user-select: none;
     -khtml-user-select: none;
@@ -29,7 +29,7 @@
     transition-timing-function: $animation-curve-default;
 }
 
-@mixin line-clamp($line-height: 1.25, $lines: 3) {
+@mixin adf-line-clamp($line-height: 1.25, $lines: 3) {
     position: relative;
     line-height: $line-height;
     padding: 0 !important;

lib/core/styles/_typography.scss

@@ -16,4 +16,4 @@ $alfresco-typography: mat-typography-config(
     $button:        mat-typography-level(14px, 14px, 500),
     // Line-height must be unit-less fraction of the font-size.
     $input:         mat-typography-level(16px, 1.25, 400)
-);
+);

lib/core/styles/_variables.scss

@@ -5,4 +5,4 @@ $animation-curve-fast-out-slow-in: cubic-bezier(0.4, 0, 0.2, 1) !default;
 $animation-curve-default: $animation-curve-fast-out-slow-in !default;
 
 $swift-ease-in-duration: 300ms !default;
-$swift-ease-in-timing-function: cubic-bezier(0.55, 0, 0.55, 0.2) !default;
+$swift-ease-in-timing-function: cubic-bezier(0.55, 0, 0.55, 0.2) !default;