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>

plugins/src/main/kotlin/io.element.android-compose-application.gradle.kts

@@ -19,11 +19,12 @@ plugins {
     id("com.android.application")
     id("kotlin-android")
     id("com.autonomousapps.dependency-analysis")
+    id("org.jetbrains.kotlin.plugin.compose")
 }
 
 android {
     androidConfig(project)
-    composeConfig(libs)
+    composeConfig()
     compileOptions {
         isCoreLibraryDesugaringEnabled = true
     }