chore: add GetLatestWorkspaceBuildWithStatusByWorkspaceID query (#24441)

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relates to GRU-18  
  
Adds new database query supporting the Agent Connection Watch we will add.

coderd/database/modelmethods.go

@@ -952,3 +952,7 @@ type UpsertConnectionLogParams struct {
 	Time             time.Time        `db:"time" json:"time"`
 	ConnectionStatus ConnectionStatus `db:"connection_status" json:"connection_status"`
 }
+
+func (r GetLatestWorkspaceBuildWithStatusByWorkspaceIDRow) RBACObject() rbac.Object {
+	return r.WorkspaceTable.RBACObject()
+}