fix: Harden Windows installer temp command scripts (#15634)

* fix: Harden Windows installer temp command scripts

Signed-off-by: fufesou <linlong1266@gmail.com>

* fix: restore stop-service after install preparation failure

Signed-off-by: fufesou <linlong1266@gmail.com>

* fix(windows): preserve special characters in installer paths

Handle carets and exclamation marks safely across cmd.exe parsing stages.
Add coverage for special-character paths in the elevated installer handoff.

Signed-off-by: fufesou <linlong1266@gmail.com>

* fix: installer, validate app name

Signed-off-by: fufesou <linlong1266@gmail.com>

* update tests

Signed-off-by: fufesou <linlong1266@gmail.com>

* Simple refactor

Signed-off-by: fufesou <linlong1266@gmail.com>

* Simple refactor

Signed-off-by: fufesou <linlong1266@gmail.com>

---------

Signed-off-by: fufesou <linlong1266@gmail.com>

Cargo.lock

@@ -7212,18 +7212,6 @@ dependencies = [
  "realfft",
 ]
 
-[[package]]
-name = "runas"
-version = "1.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b96d6b6c505282b007a9b009f2aa38b2fd0359b81a0430ceacc60f69ade4c6a0"
-dependencies = [
- "libc",
- "security-framework-sys",
- "which",
- "windows-sys 0.48.0",
-]
-
 [[package]]
 name = "rust-ini"
 version = "0.18.0"
@@ -7342,7 +7330,6 @@ dependencies = [
  "reqwest",
  "ringbuf",
  "rubato",
- "runas",
  "rust-pulsectl",
  "samplerate",
  "sciter-rs",