Exact domain matching for organization data source (#3534) (#2085)

Signed-off-by: Modular Magician <magic-modules@google.com>

.changelog/3534.txt

@@ -0,0 +1,3 @@
+```release-note:bug
+Fixed an issue where data source `google_organization` would ignore exact domain matches if multiple domains were found
+```

google-beta/data_source_google_organization.go

@@ -70,10 +70,20 @@ func dataSourceOrganizationRead(d *schema.ResourceData, meta interface{}) error
 		}
 
 		if len(resp.Organizations) > 1 {
-			return fmt.Errorf("More than one matching organization found")
+			// Attempt to find an exact domain match
+			for _, org := range resp.Organizations {
+				if org.DisplayName == v.(string) {
+					organization = org
+					break
+				}
+			}
+			if organization == nil {
+				return fmt.Errorf("Received multiple organizations in the response, but could not find an exact domain match.")
+			}
+		} else {
+			organization = resp.Organizations[0]
 		}
 
-		organization = resp.Organizations[0]
 	} else if v, ok := d.GetOk("organization"); ok {
 		var resp *cloudresourcemanager.Organization
 		err := retryTimeDuration(func() (err error) {