Retain the order of multiple dictionary items added via Delta

[timjklein36]

This change allows for the retention of insertion order when multiple dictionary items are added via a Delta.

Note: this change only accounts for retaining the order for dictionary_item_added since the keys, when sorted via Delta::_do_item_added, may end up being arbitrarily re-ordered prior to applying them to the resulting data set. I use the word "arbitrarily" here as the order of a given added key does not affect the addition of any other key to the dictionary.

Example:

from deepdiff import Delta, DeepDiff


t1 = {
    'pears': 2
}

t2 = {
    'pears': 2,
    'cucumbers': 2,
    'bananas': 3,
    'pumpkins': 4,
    'apples': 5
}

diff = DeepDiff(t1, t2)

delta = Delta(diff)

result = {'oranges': 1} + delta

In certain situations, it may be desired to retain the original order of the items added to the t2 data set when applying the Delta. The expected result would be the following:

{
    'oranges': 1,
    'cucumbers': 2,
    'bananas': 3,
    'pumpkins': 4,
    'apples': 5
}

Note: Please let me know if the unit test does not conform to the existing ones and I can update, if necessary.

[timjklein36]

Forgot to remove some debugging print statements. Will update shortly.

Updated.

[seperman]

Interesting. Thanks for the PR @timjklein36

[seperman]

@timjklein36 this feature is released in DeepDiff 5.2.3
https://twitter.com/sep_dehpour/status/1361774255050870789
Thanks.

[timjklein36]

Thanks a lot, @seperman! Was not expecting this so soon. This is great!