Undirected query logical changes

[aziz-mu]

First step to support queries such as MATCH (a:User)-[:Follows]-(b:User) RETURN a.name

Changes made:

• Added parser support to support undirected query syntax
• Modify binder to support undirected query edges
• Modify RelExpression / LogicalExtend to be able to tell if a relation is directed or undirected

Note: Currently the correct behaviour of any undirected query is not implemented

[codecov]

Codecov Report

Patch coverage: 95.74% and project coverage change: +0.02 🎉

Comparison is base (6dd34cc) 91.93% compared to head (961330d) 91.95%.

❗ Current head 961330d differs from pull request most recent head 7f1f767. Consider uploading reports for the commit 7f1f767 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1528      +/-   ##
==========================================
+ Coverage   91.93%   91.95%   +0.02%     
==========================================
  Files         680      687       +7     
  Lines       24543    24556      +13     
==========================================
+ Hits        22564    22581      +17     
+ Misses       1979     1975       -4     

Impacted Files	Coverage Δ
src/include/catalog/catalog.h	100.00% <ø> (ø)
src/include/common/types/types.h	100.00% <ø> (ø)
...c/include/parser/query/graph_pattern/rel_pattern.h	100.00% <ø> (ø)
src/include/planner/join_order_enumerator.h	100.00% <ø> (ø)
...ner/logical_plan/logical_operator/logical_extend.h	100.00% <ø> (ø)
...l_plan/logical_operator/logical_recursive_extend.h	100.00% <ø> (ø)
src/include/storage/copier/rel_copy_executor.h	100.00% <ø> (ø)
...orage/storage_structure/lists/lists_update_store.h	100.00% <ø> (ø)
src/include/storage/storage_utils.h	100.00% <ø> (ø)
src/include/storage/store/rels_store.h	100.00% <ø> (ø)
... and 18 more

... and 36 files with indirect coverage changes

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[andyfengHKU]

Don't forget to rebase to master and squash into 1 commit.