Fix unquoted strings leaking into quotes (SublimeText#229)

Fixes SublimeText#228

Author: michaelblyons

PowerShell.sublime-syntax

@@ -339,8 +339,8 @@ contexts:
 
   inside-unquoted-string:
     - meta_include_prototype: false
-    - meta_scope: string.unquoted.powershell
-    - match: $|(?=[\s#|>;,()}])
+    - meta_scope: meta.string.powershell string.unquoted.powershell
+    - match: $|(?=[\s#|>;,()}"'])
       pop: 1
     - match: \{
       push: inside-unquoted-string-brace

tests/syntax_test_strings.ps1

@@ -794,3 +794,11 @@
 #                   ^ punctuation.definition.keyword.powershell
 #                      ^^^^^ meta.number.float.decimal.powershell constant.numeric.value.powershell
 #                       ^ punctuation.separator.decimal.powershell
+
+###[ Real Samples ]############################################################
+
+    git -c http.extraheader="AUTHORIZATION: Basic $base64Pat" pull origin main-vs-deps
+#   @@@ reference
+#          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ meta.string
+#          ^^^^^^^^^^^^^^^^^ string.unquoted
+#                           ^^^^^^^^^^^^^^^^^^^^^^ string.quoted.double