refactor: replace spaces with hyphens in directory names (#110)

Builds, passes tests, and a release build works: https://github.com/coder/coder-desktop-macos/actions/runs/13804258363

The main app target is still `Coder Desktop`, just not the names of any directories.

Author: ethanndickson

.gitignore

@@ -304,4 +304,4 @@ release/
 .fl5C1A396C
 
 # Embedded mutagen resources
-Coder Desktop/Resources/mutagen-*
+Coder-Desktop/Resources/mutagen-*