fix tracking of unsaved edits for automapcfg

don't flag changes read from config files

source/src/rendermodel.cpp

@@ -133,7 +133,6 @@ void mapmodelreset()
     {
         mapmodels.shrink(0);
         mapmodelchanged = 1;
-        flagmapconfigchange();
     }
 }
 COMMAND(mapmodelreset, "");

source/src/texture.cpp

@@ -488,14 +488,7 @@ struct Slot
 
 vector<Slot> slots;
 
-COMMANDF(texturereset, "", ()
-{
-    if(execcontext==IEXC_MAPCFG)
-    {
-        slots.setsize(0);
-        flagmapconfigchange();
-    }
-});
+COMMANDF(texturereset, "", () { if(execcontext==IEXC_MAPCFG) slots.setsize(0); });
 
 void _texture(Slot &s, float *scale, char *name)
 {

source/src/worldio.cpp

@@ -405,8 +405,8 @@ void automapconfig()
 COMMAND(automapconfig, "");
 
 void flagmapconfigchange()
-{
-    if(hdr.flags & MHF_AUTOMAPCONFIG) unsavededits++;
+{ // if changes are tracked, because automapcfg is enabled and the change is not read from a config file -> set unsaved edits flag
+    if(execcontext != IEXC_MAPCFG && hdr.flags & MHF_AUTOMAPCONFIG) unsavededits++;
 }
 
 void getcurrentmapconfig(vector<char> &f, bool onlysounds)
@@ -785,7 +785,6 @@ bool load_world(char *mname)        // still supports all map formats that have
     if(hdr.flags & MHF_AUTOMAPCONFIG)
     { // full featured embedded config: no need to read any other map config files
         copystring(lastloadedconfigfile, "");
-        unsavededits = 0;
     }
     else
     { // map config from files