Extended several core functions to support new types (#24962)

* started adding support for new types (16f, 16bf, 32u, 64u, 64s) to arithmetic functions

* fixed several tests; refactored and extended sum(), extended inRange().

* extended countNonZero(), mean(), meanStdDev(), minMaxIdx(), norm() and sum() to support new types (F16, BF16, U32, U64, S64)

* put missing CV_DEPTH_MAX to some function dispatcher tables
* extended findnonzero, hasnonzero with the new types support

* extended mixChannels() to support new types

* minor fix

* fixed a few compile errors on Linux and a few failures in core tests

* fixed a few more warnings and test failures

* trying to fix the remaining warnings and test failures. The test `MulTestGPU.MathOpTest` was disabled - not clear whether to set tolerance - it's not bit-exact operation, as possibly assumed by the test, due to the use of scale and possibly limited accuracy of the intermediate floating-point calculations.

* found that in the current snapshot G-API produces incorrect results in Mul, Div and AddWeighted (at least when using OpenCL on Windows x64 or MacOS x64). Disabled the respective tests.

modules/core/test/test_hasnonzero.cpp

@@ -76,7 +76,7 @@ TEST_P(HasNonZeroNegZeros, hasNonZeroNegZeros)
 
 INSTANTIATE_TEST_CASE_P(Core, HasNonZeroNegZeros,
     testing::Combine(
-        testing::Values(CV_32FC1, CV_64FC1),
+        testing::Values(CV_32FC1, CV_64FC1, CV_16FC1, CV_16BFC1),
         testing::Values(Size(1, 1), Size(320, 240), Size(127, 113), Size(1, 113))
     )
 );