Improve git:cherry-pick-by-patch command

Let AI to apply changes manually for conflicted files.

Example: in the repo https://github.com/openshift/csi-operator.git , there is a commit (`9fa7ded32d45e71eb6715855ffc7f34852f375de`) in the branch `release-4.17`. The command `patch` failed in the branch `release-4.16`:

```
$ git show 9fa7ded32d45e71eb6715855ffc7f34852f375de | patch -p1 --no-backup-if-mismatch
...
patching file assets/overlays/azure-disk/generated/hypershift/manifests.yaml
Hunk #1 FAILED at 13.
```

However, AI assistant is smart enough to resolve the conflict manually. The result of imporved cherry-pick-by-patch is here: openshift/csi-operator@b236f6c

Author: mpatlasov

plugins/git/commands/cherry-pick-by-patch.md

@@ -37,7 +37,9 @@ Fail, if there is no `commit_hash` in the current repository checkout.
     ```bash
     git show commit_hash | patch -p1 --no-backup-if-mismatch
     ```
-and check if exit code is zero. Fail if exit code is not zero.
+and check if exit code is zero. If exit code is not zero, find confilcted files in the output and apply
+changes for them from the patch manually. Print file names which required manual changes. Fail workload
+if you cannot apply any required change manually.
 
 2. Find files removed from local checkout by the patch command and execute `git rm` for them.