chore(oracle)!: SetExchangeRateWithEvent

[robert-zaremba]

Description

Event should always be emitted when prices are updated. We should enforce it by hiding not wanted API. In fact, the version without event was only used in tests.

[codecov]

Codecov Report

Merging #2320 (a33e8e3) into main (7f05ad4) will decrease coverage by 4.89%.
Report is 284 commits behind head on main.
The diff coverage is 66.20%.

@@            Coverage Diff             @@
##             main    #2320      +/-   ##
==========================================
- Coverage   75.38%   70.50%   -4.89%     
==========================================
  Files         100      170      +70     
  Lines        8025    12876    +4851     
==========================================
+ Hits         6050     9078    +3028     
- Misses       1589     3195    +1606     
- Partials      386      603     +217     

Files	Coverage Δ
ante/ante.go	66.66% <100.00%> (+18.45%)	⬆️
ante/fee.go	80.00% <100.00%> (+1.64%)	⬆️
ante/spam_prevention.go	75.92% <ø> (ø)
app/inflation/inflation.go	100.00% <100.00%> (ø)
app/upgradev3/migrations.go	85.71% <ø> (+7.45%)	⬆️
util/coin/utoken.go	100.00% <100.00%> (ø)
util/ibc/ibc.go	58.82% <ø> (ø)
util/sdkutil/events.go	0.00% <ø> (ø)
x/incentive/client/tests/suite.go	100.00% <ø> (ø)
x/incentive/client/tests/tests.go	100.00% <ø> (ø)
... and 41 more

... and 100 files with indirect coverage changes