[BUG] Instruction misparsed and causes later lines to miscolor

[blloyd75]

Bug Description

Steps to Reproduce

1. Open an assembly file.
2. Add the following to the start of the file.
   .macro test_it TESTING:req
   .endm
3. Note how .macro and .endm are blue.
4. Add the following line above .macro
   .file 1 FILE
5. Note how the .file is blue and now .macro is white
6. Add ;: immediately below .file for .macro to again colorize blue.

Expected Behavior

Assembly lines should not cause later assembly lines to colorize differently.

Actual Behavior

Adding .file line causes later lines to colorize differently when it is added.

Screenshots

Environment

• OS: Windows 11
• ArmLS Version: 0.14.2

Additional Context

Possible Solution (Optional)

Without sources to the language server, a solution is difficult to suggest.

Logs/Error Messages

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