change(web): Output error if we can't apply suggestion

This addresses code review comments. We output a separate error if
the configuration isn't yet set because the model isn't fully loaded yet.
Also we output errors instead of warnings so that they get logged as
events in Sentry.

common/web/input-processor/src/text/prediction/languageProcessor.ts

@@ -210,12 +210,17 @@ export default class LanguageProcessor extends EventEmitter<LanguageProcessorEve
       throw "Accepting suggestions requires a destination OutputTarget instance."
     }
 
+    if(!this.isConfigured) {
+      console.error("Can't apply suggestions until model is fully loaded");
+      return null;
+    }
+
     // Find the state of the context at the time the suggestion was generated.
     // This may refer to the context before an input keystroke or before application
     // of a predictive suggestion.
-    let original = this.getPredictionState(suggestion.transformId);
-    if(!original || !this.isConfigured) {
-      console.warn("Could not apply the Suggestion!");
+    const original = this.getPredictionState(suggestion.transformId);
+    if(!original) {
+      console.error("Could not apply the Suggestion!");
       return null;
     } else {
       // Apply the Suggestion!