Rename OIDC components and variables to OAuth (#6686)

* Rename `OIDC` components and variables to `OAuth`. This matches the new behavior in the SDK.

app/src/main/AndroidManifest.xml

@@ -75,7 +75,7 @@
                     android:scheme="elementx" />
             </intent-filter>
             <!--
-              Oidc redirection
+              OAuth redirection
             -->
             <intent-filter>
                 <action android:name="android.intent.action.VIEW" />

app/src/main/kotlin/io/element/android/x/oidc/DefaultOAuthRedirectUrlProvider.kt

@@ -10,14 +10,14 @@ package io.element.android.x.oidc
 
 import dev.zacsweers.metro.AppScope
 import dev.zacsweers.metro.ContributesBinding
-import io.element.android.libraries.matrix.api.auth.OidcRedirectUrlProvider
+import io.element.android.libraries.matrix.api.auth.OAuthRedirectUrlProvider
 import io.element.android.services.toolbox.api.strings.StringProvider
 import io.element.android.x.R
 
 @ContributesBinding(AppScope::class)
-class DefaultOidcRedirectUrlProvider(
+class DefaultOAuthRedirectUrlProvider(
     private val stringProvider: StringProvider,
-) : OidcRedirectUrlProvider {
+) : OAuthRedirectUrlProvider {
     override fun provide() = buildString {
         append(stringProvider.getString(R.string.login_redirect_scheme))
         append(":/")