fix: substring() with exceeding length

[saig0]

Description

Fix the behavior of the function substring(). If the given length is greater than the string, return the remaining characters from the start index instead of throwing an exception.

Related issues

closes #801

[megglos]

LGTM! The previous used eval is just superseded by the new evaluateExpression matcher used and you gradually migrate?

[saig0]

The previous used eval is just superseded by the new evaluateExpression matcher used and you gradually migrate?

@megglos correct. 👍 Whenever I touch a test, I migrate it. A full migration of all tests at once would be nice but overwhelming.

[backport-action]

Backport failed for 1.16, because it was unable to cherry-pick the commit(s).

Please cherry-pick the changes locally and resolve any conflicts.

git fetch origin 1.16
git worktree add -d .worktree/backport-893-to-1.16 origin/1.16
cd .worktree/backport-893-to-1.16
git switch --create backport-893-to-1.16
git cherry-pick -x 315b7320ca1cd8fbf0af429a85a2cfc7a04e0d21 9af6832e4d84731b2d4e232ec6e21827ed273196 1f7478bd418af618b0023e4cf6da8db2ab566535

[backport-action]

Backport failed for 1.17, because it was unable to cherry-pick the commit(s).

Please cherry-pick the changes locally and resolve any conflicts.

git fetch origin 1.17
git worktree add -d .worktree/backport-893-to-1.17 origin/1.17
cd .worktree/backport-893-to-1.17
git switch --create backport-893-to-1.17
git cherry-pick -x 315b7320ca1cd8fbf0af429a85a2cfc7a04e0d21 9af6832e4d84731b2d4e232ec6e21827ed273196 1f7478bd418af618b0023e4cf6da8db2ab566535