Rename OIDC components and variables to OAuth (#6686)

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

libraries/session-storage/impl/src/main/kotlin/io/element/android/libraries/sessionstorage/impl/SessionDataMapper.kt

@@ -20,7 +20,7 @@ internal fun SessionData.toDbModel(): DbSessionData {
         accessToken = accessToken,
         refreshToken = refreshToken,
         homeserverUrl = homeserverUrl,
-        oidcData = oidcData,
+        oidcData = oAuthData,
         loginTimestamp = loginTimestamp?.time,
         isTokenValid = if (isTokenValid) 1L else 0L,
         loginType = loginType.name,
@@ -41,7 +41,7 @@ internal fun DbSessionData.toApiModel(): SessionData {
         accessToken = accessToken,
         refreshToken = refreshToken,
         homeserverUrl = homeserverUrl,
-        oidcData = oidcData,
+        oAuthData = oidcData,
         loginTimestamp = loginTimestamp?.let { Date(it) },
         isTokenValid = isTokenValid == 1L,
         loginType = LoginType.fromName(loginType ?: LoginType.UNKNOWN.name),