Badly formed material replacement patches can cause part compilation failures

[JonnyOThan]

I'm still investigating but I think a replacement like this:

        SHABBY_MATERIAL_REPLACE
        {
            materialDef = ReStockPlainGlossPatch
        }

Can cause a part to fail to compile:

[LOG 18:55:24.263] PartLoader: Compiling Part 'KFC/parts/GNcap/Cap/GNcap'
[ERR 18:55:24.267] PartLoader: Encountered exception during compilation. System.ArgumentNullException: Value cannot be null.
Parameter name: key
  at System.Collections.Generic.Dictionary`2[TKey,TValue].FindEntry (TKey key) [0x00008] in <9577ac7a62ef43179789031239ba8798>:0 
  at System.Collections.Generic.Dictionary`2[TKey,TValue].TryGetValue (TKey key, TValue& value) [0x00000] in <9577ac7a62ef43179789031239ba8798>:0 
  at Shabby.MaterialReplacement.ApplyToSharedMaterialIfNotIgnored (UnityEngine.Renderer renderer) [0x00011] in <341df764a3bf4dd3b7667567cb943eb3>:0 
  at Shabby.MaterialReplacementPatch.Postfix (UnityEngine.GameObject& __result, ConfigNode partCfg) [0x000b3] in <341df764a3bf4dd3b7667567cb943eb3>:0 
  at (wrapper dynamic-method) PartLoader.PartLoader.CompileModel_Patch1(PartLoader,UrlDir/UrlConfig,ConfigNode,single,AvailablePart)
  at PartLoader.ParsePart (UrlDir+UrlConfig urlConfig, ConfigNode node) [0x00103] in <4b449f2841f84227adfaad3149c8fdba>:0 
  at (wrapper dynamic-method) PartLoader+<CompileParts>d__56.PartLoader+<CompileParts>d__56.MoveNext_Patch0(PartLoader/<CompileParts>d__56)

[ERR 18:55:24.267] PartCompiler: Cannot compile part

In this case it seems to be triggered by shinefix:

[LOG 18:52:26.527] Applying update 000_ShineFix/1_ReStock/_Part/@PART:HAS[!MODULE[ModuleDeployableSolarPanel]]:NEEDS[ReStock]:FOR[000_ShineFix] to KFC/parts/GNcap/Cap.cfg/PART[GNcap]
[LOG 18:52:26.527] Applying update 000_ShineFix/1_ReStock/_Part/@PART:HAS[!MODULE[ModuleDeployableSolarPanel]]:NEEDS[ReStock]:FOR[000_ShineFix] to KFC/parts/GNcap_f/Capf.cfg/PART[GNcap_f]
[LOG 18:52:26.823] Applying update 000_ShineFix/1_ReStock/_Part/@PART:HAS[!RESOURCE[XenonGas]]:NEEDS[ReStock]:FOR[000_ShineFix] to KFC/parts/GNcap/Cap.cfg/PART[GNcap]
[LOG 18:52:26.823] Applying update 000_ShineFix/1_ReStock/_Part/@PART:HAS[!RESOURCE[XenonGas]]:NEEDS[ReStock]:FOR[000_ShineFix] to KFC/parts/GNcap_f/Capf.cfg/PART[GNcap_f]

[JonnyOThan]

I've confirmed that I can repro this by installing shinefix, restock, and gndrive.