fix(deps): update dependency @material/web to v1

This CL also fixes many things necessary for the update.

It also changes the entire md3 theme, since there have been a lot of
breaking changes and this is the easiest way to have a working theme
again (it is also an improvement).

Change-Id: I4a412e0c0ca4345084c724fcaba000293521e907
diff --git a/src/injections/updateHandlerLitComponents.js b/src/injections/updateHandlerLitComponents.js
index 9b82ee2..e6449f5 100644
--- a/src/injections/updateHandlerLitComponents.js
+++ b/src/injections/updateHandlerLitComponents.js
@@ -5,4 +5,4 @@
 // This is necessary for the MD3 components. It is also done in
 // litComponentsInject.js, but when installing the extension
 // litComponentsInject.js hasn't been injected yet.
-injectStylesheet('https://fonts.googleapis.com/icon?family=Material+Icons');
+injectStylesheet('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:FILL@0..1');