Fix FCM integration build errors

- Fix ClippyResponseBus subscription to use SharedFlow.collect()
- Fix MatrixRestClient.putAccountData() to use httpClient not client
- Add missing Log import to MatrixRestClient

app/src/main/java/farm/hobbs/clippyauto/matrix/MatrixRestClient.kt

@@ -1,4 +1,5 @@
 package farm.hobbs.clippyauto.matrix
+import android.util.Log
 
 import io.ktor.client.*
 import io.ktor.client.call.*
@@ -171,7 +172,7 @@ class MatrixRestClient(
      */
     suspend fun putAccountData(userId: String, type: String, data: Map<String, String>): Boolean {
         return try {
-            val response = client.put("$homeserverUrl/_matrix/client/v3/user/$userId/account_data/$type") {
+            val response = httpClient.put("$homeserverUrl/_matrix/client/v3/user/$userId/account_data/$type") {
                 header("Authorization", "Bearer $accessToken")
                 contentType(ContentType.Application.Json)
                 setBody(buildJsonObject {