fix: backend error messages and dbt cloud adapterType

src/altimate.ts

@@ -647,8 +647,12 @@ export class AltimateRequest {
         status: response.status,
         textResponse,
       });
+      let jsonResponse: any;
+      try {
+        jsonResponse = JSON.parse(textResponse);
+      } catch {}
       throw new APIError(
-        `Could not process request, server responded with ${response.status}: ${textResponse}`,
+        `Could not process request, server responded with ${response.status}: ${jsonResponse?.detail || textResponse}`,
       );
     } catch (e) {
       this.dbtTerminal.error("apiCatchAllError", "catchAllError", e, true, {

src/dbt_client/dbtCloudIntegration.ts

@@ -238,7 +238,7 @@ export class DBTCloudProjectIntegration
     } else {
       this.initializePaths();
     }
-    if (!this.adapterType) {
+    if (this.adapterType === "unknown") {
       // We only fetch the adapter type once, as it may impact compilation preview otherwise
       await this.findAdapterType();
     }