Add a UI warning when contract data are not enabled in the settings (#193)

* Add a UI warning when contract data are not enabled in the settings

* Update wording "contract data" -> "blind signing" to raise awareness

* Bump version 1.9.5

* remove hardcoded path in helper build script

* Add blind signature test

* Add snapshot-tmp to gitignore

* Remove unused snapshots

* Increase tests timings

* Remove unused snapshots

* Fix and rename compound blind deposit test

* Update Approve and Transfer tests

* Update tests

* Cosmetic changes + disable debug flag

* Update CHANGELOG.md

tests/build_local_test_elfs.sh

@@ -1,8 +1,8 @@
 #!/bin/bash
 
 # FILL THESE WITH YOUR OWN SDKs PATHS
-NANOS_SDK=$TWO
-NANOX_SDK=$X
+# NANOS_SDK=
+# NANOX_SDK=
 
 # list of apps required by tests that we want to build here
 appnames=("ethereum" "ethereum_classic")