Switch element-web to ESM (#31977)

* Switch element-web to ESM

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Update testcontainers imports

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Fix modernizr cjs

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Fix modernizr cjs ignore files

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Move modernizr sonar exclusion to exclude everything

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Update playwright tests for esm compat

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

---------

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

sonar-project.properties

@@ -7,7 +7,7 @@ sonar.organization=element-hq
 sonar.sources=src,res,packages/shared-components/src
 sonar.tests=test,playwright,src,packages
 sonar.test.inclusions=test/*,playwright/*,src/**/*.test.*,packages/*/src/**/*.test.*,packages/*/src/test/**/*
-sonar.exclusions=__mocks__,docs,element.io,nginx
+sonar.exclusions=__mocks__,docs,element.io,nginx,src/vector/modernizr.cjs
 
 sonar.cpd.exclusions=src/i18n/strings/*.json
 sonar.typescript.tsconfigPath=./tsconfig.json
@@ -17,7 +17,6 @@ sonar.coverage.exclusions=\
   playwright/**/*,\
   res/**/*,\
   scripts/**/*,\
-  src/vector/modernizr.js,\
   src/components/views/dialogs/devtools/**/*,\
   src/utils/SessionLock.ts,\
   src/**/*.d.ts,\