executor: support window function first_value and last_value

[alivxxx]

What problem does this PR solve?

Support window function first_value and last_value.
Refer https://dev.mysql.com/doc/refman/8.0/en/window-function-descriptions.html#function_first-value and https://dev.mysql.com/doc/refman/8.0/en/window-function-descriptions.html#function_last-value.

For #9499

What is changed and how it works?

• Add one interface to handle the evaluation of expressions, it can be used by first_value, last_value, nth_value, lead and lag.
• Implement the functions under the agg function interface.

Check List

Tests

• Integration test

Code changes

• Has exported function/method change

Side effects

• None

Related changes

• None

[codecov-io]

Codecov Report

Merging #9560 into master will decrease coverage by 0.1%.
The diff coverage is 0.64%.

@@            Coverage Diff            @@
##           master   #9560      +/-   ##
=========================================
- Coverage   67.41%   67.3%   -0.11%     
=========================================
  Files         375     376       +1     
  Lines       78809   78963     +154     
=========================================
+ Hits        53126   53143      +17     
- Misses      20919   21057     +138     
+ Partials     4764    4763       -1

Impacted Files	Coverage Δ
executor/aggfuncs/func_value.go	0% <0%> (ø)
executor/aggfuncs/builder.go	30.21% <0%> (-1.92%)	⬇️
expression/aggregation/base_func.go	48.2% <100%> (ø)	⬆️
executor/aggregate.go	79.11% <0%> (+0.21%)	⬆️
executor/distsql.go	72.18% <0%> (+0.45%)	⬆️
executor/join.go	79.58% <0%> (+0.51%)	⬆️
executor/index_lookup_join.go	78.05% <0%> (+0.62%)	⬆️
expression/schema.go	94.53% <0%> (+0.78%)	⬆️
executor/window.go	70.9% <0%> (+2.27%)	⬆️
... and 1 more

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[winoros]

lgtm

[winoros]

./run-all-tests

[zz-jason]

LGTM

[alivxxx]

@zz-jason Resolved conflicts, please help approve again.