Add Contract References as a separate struct from Access ops in Wasm …

…Dep Mappings (sei-protocol#132)

## Describe your changes and provide context
This separates the inter-contract references from normal access ops for
wasm dependencies. It introduces three types of contract references,
base, execute, and query contract references. Base contract references
are always imported, execute contract refs are imported specifically
based on the execute message name, and likewise for query contract
references. As an additional note, QUERY contract references cannot
contain non-query message types, since queries are read only workflows
for cosmwasm contracts.

## Testing performed to validate your change
Updated existing unit tests and adding more shortly

proto/cosmos/accesscontrol/accesscontrol.proto

@@ -18,6 +18,18 @@ message WasmAccessOperation {
     string selector = 3;
 }
 
+message WasmContractReference {
+    string contract_address = 1;
+    WasmMessageSubtype message_type = 2;
+    string message_name = 3;
+    // TODO: add wasm message adapter format here
+}
+
+message WasmContractReferences {
+    string message_name = 1;
+    repeated WasmContractReference contract_references = 2;
+}
+
 message WasmAccessOperations {
     string message_name = 1;
     repeated WasmAccessOperation wasm_operations = 2;
@@ -35,6 +47,9 @@ message WasmDependencyMapping {
     repeated WasmAccessOperation base_access_ops = 1;
     repeated WasmAccessOperations query_access_ops = 2;
     repeated WasmAccessOperations execute_access_ops = 3;
-    string reset_reason = 4;
-    string contract_address = 5;
+    repeated WasmContractReference base_contract_references = 4;
+    repeated WasmContractReferences query_contract_references = 5;
+    repeated WasmContractReferences execute_contract_references = 6;
+    string reset_reason = 7;
+    string contract_address = 8;
 }