Upgrade Kotlin to v2.0 (#3594)

* Bump Kotlin to v2.0

* Fix lots of issues due to the upgrade: lint issues, function signature incompatibilities, broken tests, etc.

---------

Co-authored-by: Benoit Marty <benoit@matrix.org>

features/enterprise/impl/build.gradle.kts

@@ -1,3 +1,5 @@
+import extension.setupAnvil
+
 /*
  * Copyright 2024 New Vector Ltd.
  *
@@ -6,13 +8,14 @@
  */
 plugins {
     id("io.element.android-library")
-    alias(libs.plugins.anvil)
 }
 
 android {
     namespace = "io.element.android.features.enterprise.impl"
 }
 
+setupAnvil()
+
 dependencies {
     implementation(projects.anvilannotations)
     api(projects.features.enterprise.api)