Unnecessary prompt to install build dependencies when using an archive

[ryandesign (Ryan Carsten Schmidt)]

MacPorts asked me to install build dependencies of a port when reinstalling it, even though a binary was used:

% sudo port -n upgr --force librsvg                
--->  Fetching archive for librsvg
--->  Attempting to fetch librsvg-2.54.5_0.darwin_21.x86_64.tbz2 from https://packages.macports.org/librsvg
--->  Attempting to fetch librsvg-2.54.5_0.darwin_21.x86_64.tbz2.rmd160 from https://packages.macports.org/librsvg
--->  Computing dependencies for librsvg
The following dependencies will be installed: 
 cargo
 libgit2
 rust
Continue? [Y/n]: n
--->  Unable to uninstall librsvg @2.54.5_0, the following ports depend on it:
--->  	ffmpeg @4.4.2_4+gpl2
--->  	imlib2 @1.10.0_1+doc
Warning: Uninstall forced.  Proceeding despite dependencies.
--->  Deactivating librsvg @2.54.5_0
--->  Cleaning librsvg
--->  Uninstalling librsvg @2.54.5_0
--->  Cleaning librsvg
--->  Computing dependencies for librsvg
--->  Installing librsvg @2.54.5_0
--->  Activating librsvg @2.54.5_0
--->  Cleaning librsvg
--->  Scanning binaries for linking errors
--->  No broken files found.                             
--->  No broken ports found.

[jmroot (Joshua Root)]

In a9597dcb02df76d128e96995428ab385078ae12d/macports-base (master):

_upgrade: only run destroot if there's no archive

Closes: #67017