Fetch user address by its ID

[kswiatek92]

closes #5147

Pull Request Checklist

1. Privileged views and APIs are guarded by proper permission checks.
2. All visible strings are translated with proper context.
3. All data-formatting is locale-aware (dates, numbers, and so on).
4. Database queries are optimized and the number of queries is constant.
5. Database migration files are up to date.
6. The changes are tested.
7. GraphQL schema and type definitions are up to date.
8. Changes are mentioned in the changelog.

[codecov]

Codecov Report

Merging #5148 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #5148      +/-   ##
==========================================
+ Coverage   91.01%   91.01%   +<.01%     
==========================================
  Files         259      259              
  Lines       16756    16768      +12     
  Branches     1490     1492       +2     
==========================================
+ Hits        15250    15262      +12     
  Misses       1103     1103              
  Partials      403      403

Impacted Files	Coverage Δ
saleor/graphql/account/resolvers.py	92.64% <100%> (+1.12%)	⬆️
saleor/graphql/account/schema.py	100% <100%> (ø)	⬆️

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[django-queries]

Here is the report for e5284513fcb5307a4608e1fb24ed62ddaf22c932 (kswiatek92/saleor @ fetch-user-address-by-its-id)
Base comparison is b342d01.

No differences were found. (click me)

# api.benchmark checkout
  test name                                  	left count 	right count	duplicate count
  -------------------------------------------	-----------	-----------	---------------
  add billing address to checkout            	         34	         34	             20
  add shipping to checkout                   	          7	          7	              0
  checkout payment charge                    	         10	         10	              0
  complete checkout                          	          8	          8	              0
  create checkout                            	         50	         50	             24

# api.benchmark homepage
  test name                                  	left count 	right count	duplicate count
  -------------------------------------------	-----------	-----------	---------------
  retrieve main menu                         	          5	          5	              0
  retrieve product list                      	          4	          4	              0
  retrieve secondary menu                    	          5	          5	              0
  retrieve shop                              	          2	          2	              0

# api.benchmark product
  test name                                  	left count 	right count	duplicate count
  -------------------------------------------	-----------	-----------	---------------
  product details                            	         14	         14	              2
  retrieve product attributes                	          9	          9	              0

# api.benchmark variant
  test name                                  	left count 	right count	duplicate count
  -------------------------------------------	-----------	-----------	---------------
  product variant bulk create                	         51	         51	              3
  retrieve variant list                      	         16	         16	              6

# api product sorting attributes
  test name                                  	left count 	right count	duplicate count
  -------------------------------------------	-----------	-----------	---------------
  sort product not having attribute data     	         21	         21	              0