lock unicode width

Cargo automatically pumbs the patch version when installed with `cargo install`
without the locked flag which creates weird rendering artifacts

helix-core/Cargo.toml

@@ -23,7 +23,11 @@ ropey = { version = "1.6.1", default-features = false, features = ["simd"] }
 smallvec = "1.13"
 smartstring = "1.0.1"
 unicode-segmentation = "1.11"
-unicode-width = "0.1"
+# unicode-width is changing width definitions
+# that both break our logic and disagree with common
+# width definitions in terminals, we need to replace it.
+# For now lets lock the version to avoid 
+unicode-width = "=0.1.12"
 unicode-general-category = "0.6"
 slotmap.workspace = true
 tree-sitter.workspace = true