Avoid leaking inner error types vol.3 (#907)

Author: JurajSadel

espflash/src/error.rs

@@ -234,7 +234,7 @@ pub enum Error {
     FileOpenError(String, #[source] io::Error),
 
     #[error("Failed to parse partition table")]
-    Partition(#[from] esp_idf_part::Error),
+    Partition(CoreError),
 
     #[error("Invalid response: {0}")]
     #[diagnostic(code(espflash::invalid_response))]
@@ -307,6 +307,12 @@ impl From<AppDescriptorError> for Error {
     }
 }
 
+impl From<esp_idf_part::Error> for Error {
+    fn from(err: esp_idf_part::Error) -> Self {
+        Self::Partition(Box::new(err))
+    }
+}
+
 #[cfg(feature = "cli")]
 impl From<dialoguer::Error> for Error {
     fn from(err: dialoguer::Error) -> Self {