GS/TC: Read indexed texture from GS memory if complete dirty overlap

[refractionpcsx2]

Description of Changes

Avoids reading indexed data from a target if the area completely overlaps (meaning there was an upload)

Rationale behind Changes

There were false positives and breaks in some games due to it reading this out of targets. Plus these changes saved a few uploads.

Suggested Testing Steps

Test a smattering of games including those listed below.

Fixes WW1 - Red Baron

Master:

PR:

Other changes shown in the GS dump run

catwoman_ghost
Draw Calls: +7 [381=>388]
Render Passes: +2 [124=>126]
Uploads: +3 [40=>43]

cod2
Draw Calls: -12 [93=>81]
Render Passes: -21 [54=>33]
Copies: -8 [9=>1]
Uploads: -7 [40=>33]

Crime_Life_-_Gang_Wars__PAL-M5__SLES-52122
Draw Calls: -3 [398=>395]
Render Passes: -4 [78=>74]
Copies: -2 [20=>18]
Uploads: -3 [29=>26]

Fight Night - Round 3_SLUS-21383_20220618124952
Draw Calls: -2 [839=>837]
Render Passes: -3 [27=>24]
Copies: -1 [6=>5]
Uploads: -1 [6=>5]

Project_-_Snowblind_SLUS-21037_20240316203245
Draw Calls: +22 [302=>324]
Render Passes: +12 [152=>164]
Copies: +1 [8=>9]
Uploads: +9 [100=>109]

Silent Hill 3_SLUS-20622_20220911173117
Draw Calls: -1 [829=>828]
Render Passes: -1 [18=>17]
Copies: -1 [6=>5]
Uploads: -1 [9=>8]

sniper_elite
Draw Calls: -7 [1321=>1314]
Render Passes: -9 [468=>459]
Copies: -3 [16=>13]
Uploads: -1 [27=>26]