Move view model code to shared components package (#31024)

* Remove vm related code from element-web/src

* Add and export view model code from package

* Update imports

* Rewrite vm tests using vitest

* Add github action to run vm tests

* Fix lint errors

* Mvoe tests over to jest

* Try fixing code coverage

* Second attempt at fixing code coverage

sonar-project.properties

@@ -5,7 +5,7 @@ sonar.organization=element-hq
 #sonar.sourceEncoding=UTF-8
 
 sonar.sources=src,res,packages/shared-components/src
-sonar.tests=test,playwright,src
+sonar.tests=test,playwright,src,packages
 sonar.test.inclusions=test/*,playwright/*,src/**/*.test.*,packages/*/src/**/*.test.*
 sonar.exclusions=__mocks__,docs,element.io,nginx