Issue with multiple flows and different configuration for each flow

My problem is that when I apply my playback template, it creates additional ‘ghost’ VSTs for the string instruments that have independent voice playback (IVP) enabled. My project has four flows, one for each movement of my symphony. The set of instruments is only the same in all flows for the brass section. The sets of instruments for woodwinds, percussion, keyboards, and strings varies across all four flows. To complicate matters, in the string section, each instrument may or may not have independent voice playback (IVP) enabled depending on the flow. I’m using BBC Symphony Orchestra Pro for woodwinds keyboards, and brass (except for piano); EastWest Opus for percussion; PianoTeq for piano; and EastWest for strings. Please follow below. There is only one instrument defined in each VST (no combi instruments) with the MIDI channel as channel 1 in each. Each routing shows the correct settings with Port 1 and Channel 1 to match the VST settings.

Here’s what I setup initially before applying the playback template.

Instrument Adagio (VST) Andante (VST) Larghetto (VST) Allegro (VST) Voicing (if applicable)
Picc 1 02 - BBCSO Picc 1 02 - BBCSO Picc 1 02 - BBCSO Picc 1 02 - BBCSO Picc 1
Picc 2 03 - BBCSO Picc 1 03 - BBCSO Picc 1
Fl 1 04 - BBCSO Fl 1 04 - BBCSO Fl 1 04 - BBCSO Fl 1 04 - BBCSO Fl 1
Fl 2 05 - BBCSO Fl 1 05 - BBCSO Fl 1 05 - BBCSO Fl 1 05 - BBCSO Fl 1
Fl 3 06 - BBCSO Fl 1 06 - BBCSO Fl 1 06 - BBCSO Fl 1 06 - BBCSO Fl 1
Picc 3 07 - BBCSO Picc 3 07 - BBCSO Picc 3 07 - BBCSO Picc 3 07 - BBCSO Picc 3
Ob 1 08 - BBCSO Ob 1 08 - BBCSO Ob 1 08 - BBCSO Ob 1 08 - BBCSO Ob 1
Ob 2 09 - BBCSO Ob 2 09 - BBCSO Ob 2 09 - BBCSO Ob 2 09 - BBCSO Ob 2
Ob 3 11 - BBCSO Ob 3 11 - BBCSO Ob 3 11 - BBCSO Ob 3 11 - BBCSO Ob 3
Eng Hn 10 - BBCSO Eng Hn 10 - BBCSO Eng Hn 10 - BBCSO Eng Hn 10 - BBCSO Eng Hn
Cl 1 12 - BBCSO Cl 1 12 - BBCSO Cl 1 12 - BBCSO Cl 1 12 - BBCSO Cl 1
Cl 2 13 - BBCSO Cl 2 13 - BBCSO Cl 2 13 - BBCSO Cl 2 13 - BBCSO Cl 2
Cl 3 14 - BBCSO Cl1 14 - BBCSO Cl 3 14 - BBCSO Cl 3 14 - BBCSO Cl 3
Bs Cl 15 - BBCSO Bs Cl 15 - BBCSO Bs Cl 15 - BBCSO Bs Cl 15 - BBCSO Bs Cl
Bsn 1 16 - BBCSO Bsn 1 16 - BBCSO Bsn 1 16 - BBCSO Bsn 1 16 - BBCSO Bsn 1
Bsn 2 17 - BBCSO Bsn 2 17 - BBCSO Bsn 2 17 - BBCSO Bsn 2 17 - BBCSO Bsn 2
Bsn 3 18 - BBCSO Bsn 3 18 - BBCSO Bsn 3 18 - BBCSO Bsn 3 18 - BBCSO Bsn 3
Hn 1 19 - BBCSO Hn 1 19 - BBCSO Hn 1 19 - BBCSO Hn 1 19 - BBCSO Hn 1
Hn 2 20 - BBCSO Hn 2 20 - BBCSO Hn 2 20 - BBCSO Hn 2 20 - BBCSO Hn 2
Hn 3 21 - BBCSO Hn 3 21 - BBCSO Hn 3 21 - BBCSO Hn 3 21 - BBCSO Hn 3
Hn 4 22 - BBCSO Hn 4 22 - BBCSO Hn 4 22 - BBCSO Hn 4 22 - BBCSO Hn 4
Tpt 1 23 - BBCSO Tpt 1 23 - BBCSO Tpt 1 23 - BBCSO Tpt 1 23 - BBCSO Tpt 1
Tpt 2 24 - BBCSO Tpt 2 24 - BBCSO Tpt 2 24 - BBCSO Tpt 2 24 - BBCSO Tpt 2
Tpt 3 25 - BBCSO Tpt 3 25 - BBCSO Tpt 3 25 - BBCSO Tpt 3 25 - BBCSO Tpt 3
Tbn 1 26 - BBCSO Tbn 1 26 - BBCSO Tbn 1 26 - BBCSO Tbn 1 26 - BBCSO Tbn 1
Tbn 2 27 - BBCSO Tbn 2 27 - BBCSO Tbn 2 27 - BBCSO Tbn 2 27 - BBCSO Tbn 2
Bs Trb 28 - BBCSO Bs Tbn 28 - BBCSO Bs Tbn 28 - BBCSO Bs Tbn 28 - BBCSO Bs Tbn
Tba 29 - BBCSO Tba 29 - BBCSO Tba 29 - BBCSO Tba 29 - BBCSO Tba
Timpani 30 - EW Timp 30 - EW Timp
Triangle 31 - EW Trgl
Cr Cym 32 - EW Cr Cym 32 - EW Cr Cym
Mk Tree 33 - EW Mk Tree
Bs Drum 34 - EW Bs Dr 34 - EW Bs Dr
Glsp 35 - BBCSO Glsp 35 - BBCSO Glsp 35 - BBCSO Glsp
T Bells 36 - EW T Bells
Hp 1 37 - BBCSO Hp 1 37 - BBCSO Hp 1
Hp 2 38 - BBCSO Hp 2 38 - BBCSO Hp 2
Celesta 39 - BBCSO Celesta
Piano 40 - ModArtt Piano 40 - ModArtt Piano 40 - ModArtt Piano 40 - ModArtt Piano
Solo Violin 41 - EW Vln 1 41 - EW Vln 1 41 - EW Vln 1 41 - EW Vln 1
Vln 1 42 - EW Vln 1 42 - EW Vln 1 42 - EW Vln 1 42 - EW Vln 1 Voice 1 Stem Up
Vln 1 43 - EW Vln 2 43 - EW Vln 2 Voice 1 Stem Down
Vln 2 44 - EW Vln 1 44 - EW Vln 1 44 - EW Vln 1 44 - EW Vln 1 Voice 1 Stem Up
Vln 2 45 - EW Vln 2 45 - EW Vln 2 45 - EW Vln 2 Voice 1 Stem Down
Vla 46 - EW Vla 46 - EW Vla 46 - EW Vla 46 - EW Vla Voice 1 Stem Up
Vla 47 - EW Vla 47 - EW Vla 47 - EW Vla 47 - EW Vla Voice 1 Stem Down
Vlc 48 - EW Vlc 48 - EW Vlc 48 - EW Vlc 48 - EW Vlc
DB 49 - EW DB 49 - EW DB 49 - EW DB 49 - EW DB

Here’s what I ended up with in the string section after applying the playback template (all sections survived except the string section which is the only section that uses IVP). I had to experiment to figure out which VSTs worked with the IVP enabled staves.

Flow
Instrument Adagio (VST) Andante (VST)
Solo Violin 41 - EW Vln 1 41 - EW Vln 1
Vln 1 42 - EW Vln 1 42 - EW Vln 1
49 - EW Vln 1 49 - EW Vln 1
Vln 2 43 - EW Vln 2 43 - EW Vln 2
Vln 2 45 - EW Vln 2 45 - EW Vln 2
Vla 53 - EW Vla 53 - EW Vla
Vla 55 - EW Vla 55 - EW Vla
Vlc 56 - EW Vlc 56 - EW Vlc
DB 57 - EW DB 57 - EW DB

With the complete set of string VSTs allocated by the playback template being:

41 - EW Vln 1
42 - EW Vln 1
43 - EW Vln 2
44 - EW Vln 1
45 - EW Vln 2
46 - EW Vln 2
47 - EW Vln 1
48 - EW Vln 2
49 - EW Vln 1
50 - EW Vln 2
51 - EW Vln 2
52 - EW Vla
53 - EW Vla
54 - EW Vla
55 - EW Vla
56 - EW Vlc
57 - EW DB

How can I fix this mess so Dorico doesn’t create ghost VSTs that are never used (44, 46-48, 50-52, and 54 are never used).

Anyone?