feat: migrate editor-ui to Vite.js and various DX improvements (N8N-2277) (#4061)

* feat: Added vite.js dependencies.

* chore: Removed tests folder to follow same structure as design-system

* chore: Removed unused testing config.

* chore: Created vite.js index.html

* refactor: Updated scss structure and imports.

* refactor: Updated workflow building.

* fix: Cleared up all workflow dependency cycles. Added proper package.json imports config.

* feat: Got a working build using Vite. Need to fix issues next.

* fix: Progress! Getting process.env error.

* fix: Changed process.env to import.meta.env.

* fix: Fixed circular imports that used require(). Fixed monaco editor.

* chore: Removed commented code.

* chore: Cleaned up package.json

* feat: Made necessary changes to replace base path in css files.

* feat: Serve CSS files for `editor-ui` Vite migration (#4069)

⚡ Serve CSS files for Vite migration

* chore: Fixed package-lock.json.

* fix: Fixed build after centralized tsconfig update.

* fix: Removed lodash-es replacement.

* fix: Commented out vitest test command.

* style: Fixed linting issues.

* fix: Added lodash-es hotfix back.

* chore: Updated package-lock.json

* refactor: Renamed all n8n scss variables to no longer be defined as private.

* feat(editor): add application-wide el-button replacement.

* fix(editor): Fix import in page alert after merge.

* chore(editor): update package-lock.json.

* fix: Case sensitive lodash-es replacement for vue-agile.

* fix: add alias for lodash-es camelcase import.

* fix: add patch-package support for fixing quill

* feat: add patch-package on postinstall

* fix: update quill patch path.

* refactor: rename quill patch

* fix: update quill version.

* fix: update quill patch

* fix: fix linting rules after installing eslint in design-system

* fix: update date picker button to have primary color

* test: update callout component snapshots

* fix(editor): fix linting issues in editor after enabling eslint

* fix(cli): add /assets/* to auth ignore endpoints in server

* chore: update package-lock.json

* chore: update package-lock.json

* fix(editor): fix linting issues

* feat: add vite-legacy support

* fix: update workflow package interface imports to type imports.

* chore: update package-lock.json

* fix(editor) fix importing translations other than english

* fix(editor): remove test command until vitest is added

* fix: increase memory allocation for vite build

* fix: add patch-package patches to n8n-custom docker build

* fix: add performance and load time improvements

* fix: add proper typing to setNodeType

* chore: update package-lock.json

* style: use generic type for reduce in setNodeType

Co-authored-by: Iván Ovejero <ivov.src@gmail.com>

packages/design-system/src/css/scrollbar.scss

@@ -0,0 +1,72 @@
+@use "mixins/mixins";
+@use "./common/var";
+
+@include mixins.b(scrollbar) {
+	overflow: hidden;
+	position: relative;
+
+	&:hover,
+	&:active,
+	&:focus {
+		> .el-scrollbar__bar {
+			opacity: 1;
+			transition: opacity 340ms ease-out;
+		}
+	}
+
+	@include mixins.e(wrap) {
+		overflow: scroll;
+		height: 100%;
+
+		@include mixins.m(hidden-default) {
+			scrollbar-width: none;
+			&::-webkit-scrollbar {
+				width: 0;
+				height: 0;
+			}
+		}
+	}
+
+	@include mixins.e(thumb) {
+		position: relative;
+		display: block;
+		width: 0;
+		height: 0;
+		cursor: pointer;
+		border-radius: inherit;
+		background-color: var.$scrollbar-background-color;
+		transition: 0.3s background-color;
+
+		&:hover {
+			background-color: var.$scrollbar-hover-background-color;
+		}
+	}
+
+	@include mixins.e(bar) {
+		position: absolute;
+		right: 2px;
+		bottom: 2px;
+		z-index: 1;
+		border-radius: 4px;
+		opacity: 0;
+		transition: opacity 120ms ease-out;
+
+		@include mixins.when(vertical) {
+			width: 6px;
+			top: 2px;
+
+			> div {
+				width: 100%;
+			}
+		}
+
+		@include mixins.when(horizontal) {
+			height: 6px;
+			left: 2px;
+
+			> div {
+				height: 100%;
+			}
+		}
+	}
+}