Improve compatibility checks on various plugins

[JSCU-CNI]

No description provided.

[Schamper]

Can you sneak this in too? I've had this pending locally for a while but didn't get around to making a PR for it:

diff --git a/dissect/target/plugins/filesystem/walkfs.py b/dissect/target/plugins/filesystem/walkfs.py
index 9e2a989f..5404b5d1 100644
--- a/dissect/target/plugins/filesystem/walkfs.py
+++ b/dissect/target/plugins/filesystem/walkfs.py
@@ -37,6 +37,10 @@ class WalkFSPlugin(Plugin):
     @arg("--walkfs-path", default="/", help="path to recursively walk")
     def walkfs(self, walkfs_path: str = "/") -> Iterator[FilesystemRecord]:
         """Walk a target's filesystem and return all filesystem entries."""
+        if not self.target.fs.exists(walkfs_path):
+            self.target.log.warning("Path does not exist: %s", walkfs_path)
+            return
+
         for entry in self.target.fs.recurse(walkfs_path):
             try:
                 yield generate_record(self.target, entry)

[JSCU-CNI]

Applied the changes from #973 for walkfs in 5036178.

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 9 lines in your changes missing coverage. Please review.

Project coverage is 77.91%. Comparing base (ca216f4) to head (092c118).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
dissect/target/plugins/filesystem/walkfs.py	42.85%	4 Missing ⚠️
dissect/target/plugins/filesystem/ntfs/usnjrnl.py	33.33%	2 Missing ⚠️
dissect/target/plugins/general/osinfo.py	33.33%	2 Missing ⚠️
dissect/target/plugins/os/windows/env.py	75.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1008      +/-   ##
==========================================
- Coverage   77.93%   77.91%   -0.02%     
==========================================
  Files         327      327              
  Lines       28677    28689      +12     
==========================================
+ Hits        22349    22354       +5     
- Misses       6328     6335       +7     

Flag	Coverage Δ
unittests	77.91% <50.00%> (-0.02%)	⬇️

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