Books/search within notebook (#8426)

* initial commit

* get notebook content

* skeleton for find in notebookModel

* add search function and keyboard shortcut

* add command for hiding find widget

* started on search logic

* continue search logic

* continue search logic

* add findcountchange listener

* notebook find position

* added css class

* hide find widget

* focus find input

* search for multiple occurrences in one line

* start notebook find decorations

* start adding decorations to notebook model

* added editor_model_defaults

* added cursor position

* merged master and resolved husky erros

* initial changes added to Lucyls base implementation

* pass NotebbokRange instead of Range to decorations

* changes after merging master

* temp changes for testing

* style updates from vscode merge

* implemented the empty methods and added supporting functionality from textModel

* just a little error checking

* It gets more and more yellow

* making highlight work between code cells

* highlight only word

* remove highlight on close and maintain the position

* cleanup of unused references

* clean up

* find between code cells refactored

* highlight markdown line and scroll to it

* find index fix

* find index fix

* code clean up

* remove commented code

* tslint fix for: Cannot use global 'NodeJS'

* linting rule fixes

* deltaDecoration base implementation on the base class

* moced class defnitions from interface fikle

* updated action names

* DOM.addClass instead of overwriting

* resooved conflicts

* moved 'find' code away from notebookmodel to sep class

* moved find realted code to seperate folder

* created notebookFindModel

* clean up

* highlight color changes

* spacing and typo fixes

* highlight correct element for nested elements

* do not iterate through paragraphs and li

* find accross notebooks

* keep track of index

* clear decorations on close

* floating promises

* maintain search context

Co-authored-by: Lucy Zhang <lucyzhang929@gmail.com>
Co-authored-by: Chris LaFreniere <40371649+chlafreniere@users.noreply.github.com>

src/sql/workbench/contrib/notebook/test/browser/notebookEditorModel.test.ts

@@ -114,6 +114,8 @@ suite('Notebook Editor Model', function (): void {
 			executeEdits: undefined,
 			getSections: undefined,
 			navigateToSection: undefined,
+			cellEditors: undefined,
+			deltaDecorations: undefined,
 			addCell: undefined
 		};
 	});