Applied unique changes from #1131

These were:

```
commit e57df0e (pr_1131)
Author: Denis Smirnov <[email protected]>
Date:   Fri Apr 1 17:57:51 2022 +0300

    Revert fallback to numpy

commit 92c2fae
Author: Denis Smirnov <[email protected]>
Date:   Wed Mar 30 12:32:58 2022 +0300

    Normilize queue and device + change copying from numpy in call_origin

commit 9fb287c
Author: Denis Smirnov <[email protected]>
Date:   Wed Mar 23 11:36:59 2022 +0300

    Change output array creation in dpnp_diag (part 2)

commit a1597d0
Author: Denis Smirnov <[email protected]>
Date:   Wed Mar 23 09:52:50 2022 +0300

    Change output array creation in dpnp_diag
```

Author: oleksandr-pavlyk

dpnp/dpnp_algo/dpnp_algo_arraycreation.pyx

@@ -121,21 +121,15 @@ cpdef utils.dpnp_descriptor dpnp_diag(utils.dpnp_descriptor v, int k):
         result_shape = (n, )
 
     v_obj = v.get_array()
-    
-    result_obj = dpnp_container.empty(result_shape,
-                                      dtype=v.dtype,
-                                      device=v_obj.sycl_device,
-                                      usm_type=v_obj.usm_type,
-                                      sycl_queue=v_obj.sycl_queue)
+
+    # TODO need to call dpnp_container.zeros instead
+    result_obj = dpnp.zeros(result_shape, dtype=v.dtype).to_device(v_obj.sycl_device)
     cdef utils.dpnp_descriptor result = dpnp_descriptor(result_obj)
 
     cdef DPNPFuncType param1_type = dpnp_dtype_to_DPNPFuncType(v.dtype)
 
     cdef DPNPFuncData kernel_data = get_dpnp_function_ptr(DPNP_FN_DIAG_EXT, param1_type, param1_type)
 
-    result_type = dpnp_DPNPFuncType_to_dtype(< size_t > kernel_data.return_type)
-
-
     result_sycl_queue = result.get_array().sycl_queue
 
     cdef c_dpctl.SyclQueue q = <c_dpctl.SyclQueue> result_sycl_queue

dpnp/dpnp_container.py

@@ -43,6 +43,7 @@
 import dpctl.tensor as dpt
 from dpctl.tensor._device import normalize_queue_device
 
+
 if config.__DPNP_OUTPUT_DPCTL__:
     try:
         """