fix(tm2): deduct gas fee after runTx

[onlyhyde]

WIP
addresses #1070 #1067

Contributors' checklist...

• Added new tests, or not needed, or not feasible
• Provided an example (e.g. screenshot) to aid review or the PR is self-explanatory
• Updated the official documentation or not needed
• No breaking changes were made, or a BREAKING CHANGE: xxx message was included in the description
• Added references to related issues and PRs
• Provided any useful hints for running manual tests

[codecov]

Codecov Report

Attention: Patch coverage is 14.70588% with 29 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
tm2/pkg/sdk/auth/ante.go	0.00%	22 Missing ⚠️
tm2/pkg/sdk/options.go	0.00%	4 Missing ⚠️
tm2/pkg/sdk/baseapp.go	62.50%	2 Missing and 1 partial ⚠️

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